# CliniDeck

> Evidence-based guidelines, clinical scoring systems, and decision-support tools — all in one fast, distraction-free reference built for the point of care.

CliniDeck is a free clinical reference for licensed healthcare professionals: 1073 entries across 4 decks. Content is informational and educational only and is not a substitute for professional medical advice, diagnosis or treatment; verify doses and recommendations with primary sources. Each calculator page includes the formula, the scoring bands and the supporting evidence.

## Decks

- [Medical Calculators](https://clinideck.com/category/easy-medical-calculator/): Evidence-based medical calculators and clinical scoring tools. (577 calculators)
- [Radiology References](https://clinideck.com/category/radiology-references/): Imaging atlases, normal values, and reporting templates. (302 references)
- [Pediatric Doses](https://clinideck.com/category/pediatric-doses/): Weight-based dosing references for the pediatric patient. (136 dose guides)
- [Bone Age Atlas](https://clinideck.com/category/bone-age-atlas/): Greulich-Pyle reference standards for skeletal maturity assessment. (58 atlas entries)

## About

- [About CliniDeck](https://clinideck.com/about/): mission, audience and medical disclaimer
- [Contact](https://clinideck.com/contact/): hello@clinideck.com; corrections: corrections@clinideck.com
- [Privacy Policy](https://clinideck.com/privacy-policy/)

## Medical Calculators

- [4 A’s Test for Delirium Screening](https://clinideck.com/4-as-test-for-delirium-screening/): Diagnoses delirium in older patients.
- [4Ts Score for Heparin-Induced Thrombocytopenia](https://clinideck.com/4ts-score-for-heparin-induced-thrombocytopenia/): Differentiates patients with HIT from those with other causes of thrombocytopenia.
- [6 Minute Walk Distance](https://clinideck.com/6-minute-walk-distance/): Calculates reference values for distance walked, as a measure of functional status.
- [A-a O₂ Gradient](https://clinideck.com/a-a-o2-gradient/): Assesses for degree of shunting and V/Q mismatch.
- [AAP Pediatric Hypertension Guidelines](https://clinideck.com/aap-pediatric-hypertension-guidelines/): Diagnoses hypertension in pediatric patients; official guideline of the American Academy of Pediatrics.
- [Abbey Pain Scale for Dementia Patients](https://clinideck.com/abbey-pain-scale-for-dementia-patients/): Assesses pain in patients with advanced dementia.
- [Abbreviated Injury Score (AIS) for Inhalation Injury](https://clinideck.com/abbreviated-injury-score-ais-for-inhalation-injury/): Classifies inhalation injury severity based on bronchoscopic findings.
- [Abbreviated Mental Test (AMT-10)](https://clinideck.com/abbreviated-mental-test-amt-10/): Assesses mental impairment in elderly patients.
- [Abbreviated Mental Test 4 (AMT-4)](https://clinideck.com/abbreviated-mental-test-4-amt-4/): Assesses mental impairment in elderly patients.
- [ABC Score for Massive Transfusion](https://clinideck.com/abc-score-for-massive-transfusion/): Predicts need for massive transfusion in trauma patients.
- [ABC/2 Formula for Intracerebral Hemorrhage Volume](https://clinideck.com/abc-2-formula-for-intracerebral-hemorrhage-volume/): Predicts volume of intracranial hemorrhage from CT measurements.
- [ABCD² Score for TIA](https://clinideck.com/abcd-score-for-tia/): Estimates the risk of stroke after a suspected transient ischemic attack (TIA).
- [ABIC Score for Alcoholic Hepatitis](https://clinideck.com/abic-score-for-alcoholic-hepatitis/): Predicts survival in alcoholic hepatitis.
- [Absolute Lymphocyte Count (ALC)](https://clinideck.com/absolute-lymphocyte-count-alc/): Assesses number of lymphocytes and predicts CD4 count.
- [Absolute Neutrophil Count (ANC)](https://clinideck.com/absolute-neutrophil-count-anc/): Frequently used to assess neutropenic fever in chemotherapy patients.
- [ACC/AHA Heart Failure Staging](https://clinideck.com/acc-aha-heart-failure-staging/): Describes stages of heart failure and provides recommendations for therapy by stage.
- [ACEF II Risk Score for Cardiac Surgery](https://clinideck.com/acef-ii-risk-score-for-cardiac-surgery/): Predicts 30-day mortality after elective or emergency cardiac surgery.
- [Acetaminophen Overdose and NAC Dosing](https://clinideck.com/acetaminophen-overdose-and-nac-dosing/): Calculates PO/IV NAC dosing for acetaminophen overdose (and nomogram to determine toxic 4 hour level).
- [ACR/EULAR 2010 Rheumatoid Arthritis Classification Criteria](https://clinideck.com/acr-eular-2010-rheumatoid-arthritis-classification-criteria/): Diagnoses rheumatoid arthritis (RA) in patients with undifferentiated inflammatory synovitis.
- [ACR/EULAR Gout Classification Criteria](https://clinideck.com/acr-eular-gout-classification-criteria/): Provides formal diagnostic criteria for gout.
- [ACTION ICU Score for Intensive Care in NSTEMI](https://clinideck.com/action-icu-score-for-intensive-care-in-nstemi/): Predicts risk of NSTEMI complications requiring ICU care.
- [Acute Decompensated Heart Failure National Registry (ADHERE) Algorithm](https://clinideck.com/acute-decompensated-heart-failure-national-registry-adhere-algorithm/): Predicts in-hospital mortality in patients with heart failure (HF).
- [Acute Gout Diagnosis Rule](https://clinideck.com/acute-gout-diagnosis-rule/): Risk stratifies for gout vs non-gout arthritis and helps determine which patients benefit most from joint aspiration.
- [ADAPT Protocol for Cardiac Event Risk](https://clinideck.com/adapt-protocol-for-cardiac-event-risk/): Assesses chest pain patients at 2 hours for risk of cardiac event.
- [Additional Nodal Metastasis Nomogram](https://clinideck.com/additional-nodal-metastasis-nomogram/): Predicts likelihood of breast cancer with sentinel lymph node metastasis has also spread to additional lymph nodes.
- [Adult Self-Report Scale (ASRS v1.1) for ADHD](https://clinideck.com/adult-self-report-scale-asrs-v1-1-for-adhd/): Diagnoses adult ADHD .
- [Age-Adjusted D-dimer for Venous Thromboembolism (VTE)](https://clinideck.com/age-adjusted-d-dimer-for-venous-thromboembolism-vte/): Adjusts D-dimer cutoffs to help rule out VTE in patients ≥50 years old.
- [Age-Adjusted ESR/CRP for Rheumatoid Arthritis](https://clinideck.com/age-adjusted-esr-crp-for-rheumatoid-arthritis/): Calculates age-adjusted ESR and CRP in adult patients with rheumatoid arthritis.
- [AIMS65 Score for Upper GI Bleeding Mortality](https://clinideck.com/aims65-score-for-upper-gi-bleeding-mortality/): Determines risk of in-hospital mortality from upper GI bleeding.
- [AKIN Classification for Acute Kidney Injury (AKI)](https://clinideck.com/akin-classification-for-acute-kidney-injury-aki/): Classifies severity of acute kidney injury, similar to RIFLE Criteria .
- [Alberta Stroke Program Early CT Score (ASPECTS)](https://clinideck.com/alberta-stroke-program-early-ct-score-aspects/): Determines MCA stroke severity using available CT data.
- [ALBI (Albumin-Bilirubin) Grade for Hepatocellular Carcinoma (HCC)](https://clinideck.com/albi-albumin-bilirubin-grade-for-hepatocellular-carcinoma-hcc/): Predicts survival in HCC patients.
- [ALT-70 Score for Cellulitis](https://clinideck.com/alt-70-score-for-cellulitis/): Predicts likelihood of lower extremity cellulitis over other diagnoses.
- [Alvarado Score for Acute Appendicitis](https://clinideck.com/alvarado-score-for-acute-appendicitis/): Predicts likelihood of appendicitis diagnosis.
- [American Diabetes Association (ADA) Risk Calculator](https://clinideck.com/american-diabetes-association-ada-risk-calculator/): Predicts risk of undiagnosed diabetes to determine who should be screened.
- [Ankylosing Spondylitis Disease Activity Score with CRP (ASDAS-CRP)](https://clinideck.com/ankylosing-spondylitis-disease-activity-score-with-crp-asdas-crp/): Stratifies severity of ankylosing spondylitis (AS) using clinical and laboratory data, specifically CRP.
- [Ankylosing Spondylitis Disease Activity Score with ESR (ASDAS-ESR)](https://clinideck.com/ankylosing-spondylitis-disease-activity-score-with-esr-asdas-esr/): Stratifies severity of ankylosing spondylitis (AS) using clinical and laboratory data, specifically ESR.
- [Antivenom Dosing Algorithm](https://clinideck.com/antivenom-dosing-algorithm/): Doses antivenom (CroFab only, not Anavip) for pit viper snakebites.
- [Aortic Dissection Detection Risk Score (ADD-RS)](https://clinideck.com/aortic-dissection-detection-risk-score-add-rs/): Rules out aortic dissection.
- [APACHE II Score](https://clinideck.com/apache-ii-score/): Estimates ICU mortality.
- [Apfel Score for Postoperative Nausea and Vomiting](https://clinideck.com/apfel-score-for-postoperative-nausea-and-vomiting/): Predicts risk of postoperative nausea and vomiting (PONV).
- [APGAR Score](https://clinideck.com/apgar-score/): Assesses neonates 1 and 5 minutes after birth.
- [Appendicitis Inflammatory Response (AIR) Score](https://clinideck.com/appendicitis-inflammatory-response-air-score/): Diagnoses appendicitis based on clinical and laboratory findings.
- [ARISCAT Score for Postoperative Pulmonary Complications](https://clinideck.com/ariscat-score-for-postoperative-pulmonary-complications/): Predicts risk of pulmonary complications after surgery, including respiratory failure.
- [Arterial Blood Gas (ABG) Analyzer](https://clinideck.com/arterial-blood-gas-abg-analyzer/): Interprets ABG.
- [ASA Physical Status/ASA Classification](https://clinideck.com/asa-physical-status-asa-classification/): Classifies health of patients prior to surgery.
- [ASAS Criteria for Axial Spondyloarthritis (SpA)](https://clinideck.com/asas-criteria-for-axial-spondyloarthritis-spa/): Classifies axial spondyloarthritis according to Assessment of Spondyloarthritis International Society (ASAS) criteria.
- [ASAS Criteria for Peripheral SpondyloArthritis (SpA)](https://clinideck.com/asas-criteria-for-peripheral-spondyloarthritis-spa/): Classifies peripheral spondyloarthritis according to Assessment of SpondyloArthritis International Society (ASAS) criteria.
- [ASCOD Algorithm for Ischemic Stroke](https://clinideck.com/ascod-algorithm-for-ischemic-stroke/): Assigns phenotype in patients with ischemic stroke of uncertain causes.
- [ASCVD (Atherosclerotic Cardiovascular Disease) 2013 Risk Calculator from AHA/ACC](https://clinideck.com/ascvd-atherosclerotic-cardiovascular-disease-2013-risk-calculator-from-aha-acc/): Determine 10-year risk of hard ASCVD, i.e. myocardial infarction, stroke, or death due to coronary heart disease or stroke.
- [ASCVD (Atherosclerotic Cardiovascular Disease) Risk Algorithm including Known ASCVD from AHA/ACC](https://clinideck.com/ascvd-atherosclerotic-cardiovascular-disease-risk-algorithm-including-known-ascvd-from-aha-acc/): Determines 10-year risk of hard ASCVD, i.e. myocardial infarction, stroke, or death due to coronary heart disease or stroke, and provides statin recommendations.
- [AST to Platelet Ratio Index (APRI)](https://clinideck.com/ast-to-platelet-ratio-index-apri/): Determines the likelihood of hepatic fibrosis and cirrhosis in patients with hepatitis C.
- [Asthma Predictive Index (API)](https://clinideck.com/asthma-predictive-index-api/): Determines likelihood of pediatric patients developing childhood asthma.
- [ASTRAL Score for Ischemic Stroke](https://clinideck.com/astral-score-for-ischemic-stroke/): Predicts 90-day poor outcome in patients with acute ischemic stroke.
- [Asymptomatic Myeloma Prognosis](https://clinideck.com/asymptomatic-myeloma-prognosis/): Predicts risk of progression of asymptomatic (smoldering) multiple myeloma to active myeloma or amyloidosis.
- [ATLAS Score for Clostridium Difficile Infection](https://clinideck.com/atlas-score-for-clostridium-difficile-infection/): Predicts response to therapy in patients with C. diff.
- [ATRIA Bleeding Risk Score](https://clinideck.com/atria-bleeding-risk-score/): Determines bleeding risk for patients on warfarin.
- [ATRIA Stroke Risk Score](https://clinideck.com/atria-stroke-risk-score/): Determines stroke risk in patients with atrial fibrillation.
- [Atropine Dosing for Cholinesterase Inhibitor Toxicity](https://clinideck.com/atropine-dosing-for-cholinesterase-inhibitor-toxicity/): Doses atropine for cholinesterase inhibitor toxicity (prescribed drugs, nerve gas, insecticides).
- [AUDIT-C for Alcohol Use](https://clinideck.com/audit-c-for-alcohol-use/): Identifies at-risk drinkers (i.e., binge drinking) who may not be alcohol-dependent.
- [Australian Type 2 Diabetes Risk (AUSDRISK) Assessment Tool](https://clinideck.com/australian-type-2-diabetes-risk-ausdrisk-assessment-tool/): Estimates risk of developing type 2 diabetes, mainly in Australian patients.
- [AWOL Score for Delirium](https://clinideck.com/awol-score-for-delirium/): Predicts risk of delirium during hospitalization.
- [Bacterial Meningitis Score for Children](https://clinideck.com/bacterial-meningitis-score-for-children/): Rules out bacterial meningitis.
- [BAP-65 Score for Acute Exacerbation of COPD](https://clinideck.com/bap-65-score-for-acute-exacerbation-of-copd/): Predicts mortality in acute COPD exacerbation.
- [Barcelona-Clinic Liver Cancer (BCLC) Staging Classification and Treatment Guidelines](https://clinideck.com/barcelona-clinic-liver-cancer-bclc-staging-classification-and-treatment-guidelines/): Determines progression of disease and proper treatment course for patients with HCC.
- [BARD Score for NAFLD Fibrosis](https://clinideck.com/bard-score-for-nafld-fibrosis/): Predicts risk of advanced fibrosis in NAFLD patients.
- [Barnes Jewish Hospital Stroke Dysphagia Screen](https://clinideck.com/barnes-jewish-hospital-stroke-dysphagia-screen/): Assesses ability to swallow without aspiration after stroke.
- [Barthel Index for Activities of Daily Living (ADL)](https://clinideck.com/barthel-index-for-activities-of-daily-living-adl/): Assesses functional independence, generally in stroke patients.
- [Basal Energy Expenditure](https://clinideck.com/basal-energy-expenditure/): Calculates daily energy expenditure.
- [Basic Statistics Calc](https://clinideck.com/basic-statistics-calc/): Calculates common epidemiologic values for diagnostic tests and treatments.
- [Bastion Classification of Lower Limb Blast Injuries](https://clinideck.com/bastion-classification-of-lower-limb-blast-injuries/): Stratifies blast injuries of lower limbs to guide treatment.
- [Behavioral Observational Pain Scale (BOPS) for Post-Op Pediatric Pain](https://clinideck.com/behavioral-observational-pain-scale-bops-for-post-op-pediatric-pain/): Quantifies post-operative pain for children aged 1-7 years.
- [Behavioral Pain Scale (BPS) for Pain Assessment in Intubated Patients](https://clinideck.com/behavioral-pain-scale-bps-for-pain-assessment-in-intubated-patients/): Quantifies pain in intubated patients.
- [Benzodiazepine Conversion Calculator](https://clinideck.com/benzodiazepine-conversion-calculator/): Provides equivalents between different benzodiazepines.
- [Bicarbonate Deficit](https://clinideck.com/bicarbonate-deficit/): Calculates the total body bicarbonate deficit.
- [Binet Staging System for Chronic Lymphocytic Leukemia (CLL)](https://clinideck.com/binet-staging-system-for-chronic-lymphocytic-leukemia-cll/): Stages chronic lymphocytic leukemia, similar to Rai Staging System .
- [BISAP Score for Pancreatitis Mortality](https://clinideck.com/bisap-score-for-pancreatitis-mortality/): Predicts mortality risk in pancreatitis with fewer variables than Ranson's.
- [Bishop Score for Vaginal Delivery and Induction of Labor](https://clinideck.com/bishop-score-for-vaginal-delivery-and-induction-of-labor/): Predicts likelihood of successful vaginal delivery.
- [Blast Lung Injury Severity Score](https://clinideck.com/blast-lung-injury-severity-score/): Stratifies primary blast lung injuries into three categories to guide ventilator treatment.
- [Blood Volume Calculation](https://clinideck.com/blood-volume-calculation/): Calculates total blood volume, red blood cell volume, and plasma volume.
- [BMI Calculator (Body Mass Index and BSA)](https://clinideck.com/bmi-calculator-body-mass-index-and-bsa/): Calculates body mass index and body surface area.
- [BODE Index for COPD Survival](https://clinideck.com/bode-index-for-copd-survival/): Predicts survival in COPD patients.
- [Body Fluid Balance Calculator by Inputs and Outputs](https://clinideck.com/body-fluid-balance-calculator-by-inputs-and-outputs/): Calculates fluid balance from sodium concentrations which indicate net 0.9% saline, and free water losses (GI, urine, etc) and gains (IV fluids, PO, etc).
- [Bova Score for Pulmonary Embolism Complications](https://clinideck.com/bova-score-for-pulmonary-embolism-complications/): Predicts 30-day risk of PE-related complications in hemodynamically stable patients.
- [Braden Score for Pressure Ulcers](https://clinideck.com/braden-score-for-pressure-ulcers/): Identifies patients at risk for pressure ulcers.
- [Brain Metastasis Velocity (BMV) Model](https://clinideck.com/brain-metastasis-velocity-bmv-model/): Calculates rate of distant brain failure after stereotactic radiosurgery for brain metastasis.
- [Brescia-COVID Respiratory Severity Scale (BCRSS)/Algorithm](https://clinideck.com/brescia-covid-respiratory-severity-scale-bcrss-algorithm/): Step-wise management approach to COVID-19 patients based on clinical severity as of June 2, 2020.
- [Brief Resolved Unexplained Events (BRUE) Criteria for Infants](https://clinideck.com/brief-resolved-unexplained-events-brue-criteria-for-infants/): Classifies unexplained events and replaces the Apparent Life Threatening Events (ALTE) classification.
- [Bristol Stool Form Scale](https://clinideck.com/bristol-stool-form-scale/): Classifies stool (correlates with intestinal transit time).
- [Brugada Criteria for Ventricular Tachycardia](https://clinideck.com/brugada-criteria-for-ventricular-tachycardia/): Distinguishes ventricular tachycardia from supraventricular tachycardia.
- [Burch-Wartofsky Point Scale (BWPS) for Thyrotoxicosis](https://clinideck.com/burch-wartofsky-point-scale-bwps-for-thyrotoxicosis/): Predicts likelihood that biochemical thyrotoxicosis is thyroid storm.
- [Bush-Francis Catatonia Rating Scale](https://clinideck.com/bush-francis-catatonia-rating-scale/): Assesses catatonia severity and screens for catatonia in psychiatric and neurologic conditions.
- [BWH Egg Freezing Counseling Tool (EFCT)](https://clinideck.com/bwh-egg-freezing-counseling-tool-efct/): Predicts likelihood of live birth for elective egg freezing in women.
- [CAGE Questions for Alcohol Use](https://clinideck.com/cage-questions-for-alcohol-use/): Screens for excessive drinking and alcoholism.
- [Calcium Correction for Hypoalbuminemia and Hyperalbuminemia](https://clinideck.com/calcium-correction-for-hypoalbuminemia-and-hyperalbuminemia/): Calculates a corrected calcium level for patients with hypoalbuminemia or hyperalbuminemia.
- [Cambridge Diabetes Risk Score](https://clinideck.com/cambridge-diabetes-risk-score/): Predicts risk of having previously undiagnosed type 2 diabetes.
- [Canadian C-Spine Rule](https://clinideck.com/canadian-c-spine-rule/): Clinically clears cervical spine fracture without imaging in alert, stable trauma patients.
- [Canadian Cardiovascular Society (CCS) Angina Grade](https://clinideck.com/canadian-cardiovascular-society-ccs-angina-grade/): Classifies severity of angina.
- [Canadian CT Head Injury/Trauma Rule](https://clinideck.com/canadian-ct-head-injury-trauma-rule/): Rules out need for head CT in minor head trauma.
- [Canadian Syncope Risk Score](https://clinideck.com/canadian-syncope-risk-score/): Predicts 30-day serious adverse events in patients presenting with syncope.
- [Caprini Score for Venous Thromboembolism (2005)](https://clinideck.com/caprini-score-for-venous-thromboembolism-2005/): Stratifies VTE risk in surgical patients, guiding prophylaxis decisions.
- [Cardiac Anesthesia Risk Evaluation Score (CARE)](https://clinideck.com/cardiac-anesthesia-risk-evaluation-score-care/): Predicts mortality and morbidity after cardiac surgery.
- [Cardiac Output (Fick’s Formula)](https://clinideck.com/cardiac-output-ficks-formula/): Calculates cardiac output, cardiac index, and stroke volume.
- [CART (Cardiac Arrest Risk Triage) Score](https://clinideck.com/cart-cardiac-arrest-risk-triage-score/): Predicts risk of in-hospital cardiac arrest.
- [CASPAR Criteria for Psoriatic Arthritis](https://clinideck.com/caspar-criteria-for-psoriatic-arthritis/): Provides classification criteria for psoriatic arthritis.
- [CATCH (Canadian Assessment of Tomography for Childhood Head injury) Rule](https://clinideck.com/catch-canadian-assessment-of-tomography-for-childhood-head-injury-rule/): Predicts clinically significant head injuries in children.
- [CEDOCS Score for Emergency Department Overcrowding](https://clinideck.com/cedocs-score-for-emergency-department-overcrowding/): Estimates severity of overcrowding in community emergency departments.
- [Centor Score (Modified/McIsaac) for Strep Pharyngitis](https://clinideck.com/centor-score-modified-mcisaac-for-strep-pharyngitis/): Estimates probability that pharyngitis is streptococcal, and suggests management course.
- [Cerebral Perfusion Pressure](https://clinideck.com/cerebral-perfusion-pressure/): Calculates blood flow to the brain.
- [CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk](https://clinideck.com/cha-ds-vasc-score-for-atrial-fibrillation-stroke-risk/): Calculates stroke risk for patients with atrial fibrillation.
- [CHADS₂ Score for Atrial Fibrillation Stroke Risk](https://clinideck.com/chads2-score-for-atrial-fibrillation-stroke-risk/): Estimates stroke risk in patients with atrial fibrillation.
- [CHALICE (Children's Head injury ALgorithm for the prediction of Important Clinical Events) Rule](https://clinideck.com/chalice-childrens-head-injury-algorithm-for-the-prediction-of-important-clinical-events-rule/): Predicts death, need for neurosurgical intervention or CT abnormality in children with head trauma.
- [Charlson Comorbidity Index (CCI)](https://clinideck.com/charlson-comorbidity-index-cci/): Predicts 10-year survival in patients with multiple comorbidities.
- [Child-Pugh Score for Cirrhosis Mortality](https://clinideck.com/child-pugh-score-for-cirrhosis-mortality/): Estimates cirrhosis severity.
- [Children's Hospital of Eastern Ontario Pain Scale (CHEOPS) for Post-Op Pediatric Pain](https://clinideck.com/childrens-hospital-of-eastern-ontario-pain-scale-cheops-for-post-op-pediatric-pain/): Quantifies pain post-operatively in pediatric patients 1-5 years old.
- [CHIP (CT in Head Injury Patients) Prediction Rule](https://clinideck.com/chip-ct-in-head-injury-patients-prediction-rule/): Predicts intracranial traumatic CT findings in patients with minor head trauma.
- [CholeS Score for Duration of Laparoscopic Cholecystectomy](https://clinideck.com/choles-score-for-duration-of-laparoscopic-cholecystectomy/): Predicts operative time of laparoscopic cholecystectomy.
- [Cincinnati Prehospital Stroke Severity Scale (CP-SSS)](https://clinideck.com/cincinnati-prehospital-stroke-severity-scale-cp-sss/): Predicts large vessel occlusion (LVO) and severe stroke in patients with stroke symptoms.
- [CIWA-Ar for Alcohol Withdrawal](https://clinideck.com/ciwa-ar-for-alcohol-withdrawal/): The CIWA-Ar objectifies severity of alcohol withdrawal.
- [CKD Prediction in HIV+ Patients](https://clinideck.com/ckd-prediction-in-hiv-patients/): Determines probability of HIV patients developing CKD in the next 5 years, if they take tenofivir or not.
- [CKD-EPI Equations for Glomerular Filtration Rate (GFR)](https://clinideck.com/ckd-epi-equations-for-glomerular-filtration-rate-gfr/): Estimates GFR in CKD patients using serum creatinine, cystatin C, or both .
- [CLIF-C ACLF (Acute-on-Chronic Liver Failure)](https://clinideck.com/clif-c-aclf-acute-on-chronic-liver-failure/): Predicts mortality in acute-on-chronic liver failure.
- [Clinical Dementia Rating (CDR) Scale](https://clinideck.com/clinical-dementia-rating-cdr-scale/): Stages dementia, including Alzheimer disease, in elderly patients.
- [Clinical Disease Activity Index (CDAI) for Rheumatoid Arthritis](https://clinideck.com/clinical-disease-activity-index-cdai-for-rheumatoid-arthritis/): Determines severity of rheumatoid arthritis using only clinical data.
- [Clinical Index of Stable Febrile Neutropenia (CISNE)](https://clinideck.com/clinical-index-of-stable-febrile-neutropenia-cisne/): Identifies febrile neutropenia patients at low risk of serious complications.
- [Clinical Pulmonary Infection Score (CPIS) for Ventilator-Associated Pneumonia (VAP)](https://clinideck.com/clinical-pulmonary-infection-score-cpis-for-ventilator-associated-pneumonia-vap/): Assists in diagnosing ventilator-associated pneumonia by predicting benefit of pulmonary cultures.
- [Color Vision Screening (Ishihara Test)](https://clinideck.com/color-vision-screening-ishihara-test/): Assess for red-green color blindness.
- [Columbia Suicide Severity Rating Scale (C-SSRS Screener)](https://clinideck.com/columbia-suicide-severity-rating-scale-c-ssrs-screener/): Screens for suicidal ideation and behavior.
- [Confusion Assessment Method for the ICU (CAM-ICU)](https://clinideck.com/confusion-assessment-method-for-the-icu-cam-icu/): Establishes ability to detect delirium in high risk settings.
- [COPD Assessment Test (CAT)](https://clinideck.com/copd-assessment-test-cat/): Quantifies impact o f COPD symptoms on patients' overall health.
- [Cornell Assessment of Pediatric Delirium (CAPD)](https://clinideck.com/cornell-assessment-of-pediatric-delirium-capd/): Screens for pediatric delirium.
- [Corrected Count Increment (CCI) for Platelet Transfusion](https://clinideck.com/corrected-count-increment-cci-for-platelet-transfusion/): Assesses adequacy of response to platelet transfusion.
- [Corrected QT Interval (QTc)](https://clinideck.com/corrected-qt-interval-qtc/): Corrects the QT interval for heart rate extremes (choose from Bazett, Fridericia, Framingham, Hodges, or Rautaharju formulas).
- [Corrected Reticulocyte Percentage/Reticulocyte Production Index (RPI)](https://clinideck.com/corrected-reticulocyte-percentage-reticulocyte-production-index-rpi/): Evaluates bone marrow response to anemia, often in sickle cell patients.
- [COWS Score for Opiate Withdrawal](https://clinideck.com/cows-score-for-opiate-withdrawal/): Quantifies severity of opiate withdrawal.
- [Creatinine Clearance (Cockcroft-Gault Equation)](https://clinideck.com/creatinine-clearance-cockcroft-gault-equation/): Calculates CrCl according to the Cockcroft-Gault equation.
- [Critical Care Pain Observation Tool (CPOT)](https://clinideck.com/critical-care-pain-observation-tool-cpot/): Rates critically ill patients’ pain based on clinical observation.
- [Crohn's Disease Activity Index (CDAI)](https://clinideck.com/crohns-disease-activity-index-cdai/): Determines the current severity of Crohn's disease.
- [CRUSADE Score for Post-MI Bleeding Risk](https://clinideck.com/crusade-score-for-post-mi-bleeding-risk/): Stratifies bleeding risk after NSTEMI.
- [Cryoprecipitate Dosing for Fibrinogen Replacement](https://clinideck.com/cryoprecipitate-dosing-for-fibrinogen-replacement/): Estimates volume of cryoprecipitate recommended for fibrinogen replacement.
- [Cumulative Illness Rating Scale-Geriatric (CIRS-G)](https://clinideck.com/cumulative-illness-rating-scale-geriatric-cirs-g/): Quantifies burden of disease in elderly patients (comorbidity scale).
- [CURB-65 Score for Pneumonia Severity](https://clinideck.com/curb-65-score-for-pneumonia-severity/): Estimates mortality of community-acquired pneumonia to help determine inpatient vs. outpatient treatment.
- [Cytokine Release Syndrome (CRS) Grading](https://clinideck.com/cytokine-release-syndrome-crs-grading/): Assesses severity of CRS in patients on immunotherapy.
- [D'Amico Risk Classification for Prostate Cancer](https://clinideck.com/damico-risk-classification-for-prostate-cancer/): Assesses 5 year risk of treatment failure based on clinical factors.
- [Danger Assessment Tool for Domestic Abuse](https://clinideck.com/danger-assessment-tool-for-domestic-abuse/): Predicts risk of death by an intimate partner (IP) in a violent intimate relationship.
- [DASH Prediction Score for Recurrent VTE](https://clinideck.com/dash-prediction-score-for-recurrent-vte/): Predicts likelihood of recurrence of first VTE.
- [DECAF Score for Acute Exacerbation of COPD](https://clinideck.com/decaf-score-for-acute-exacerbation-of-copd/): Predicts in-hospital mortality in acute COPD exacerbation.
- [Denver HIV Risk Score](https://clinideck.com/denver-hiv-risk-score/): Predicts probability of undiagnosed HIV infection.
- [Diabetic Ketoacidosis Mortality Prediction Model (DKA MPM) Score](https://clinideck.com/diabetic-ketoacidosis-mortality-prediction-model-dka-mpm-score/): Predicts in-hospital mortality in DKA.
- [DigiFab (Digibind) Dosing for Digoxin Poisoning](https://clinideck.com/digifab-digibind-dosing-for-digoxin-poisoning/): Doses DigiFab in patients with confirmed digoxin poisoning or overdose.
- [DIPSS/DIPSS Plus (Dynamic International Prognostic Scoring System) for Myelofibrosis](https://clinideck.com/dipss-dipss-plus-dynamic-international-prognostic-scoring-system-for-myelofibrosis/): Estimates survival in patients with primary myelofibrosis.
- [DIRE Score for Opioid Treatment](https://clinideck.com/dire-score-for-opioid-treatment/): Predicts compliance with opioid treatment for chronic noncancer pain.
- [Disease Activity Score-28 for Rheumatoid Arthritis with CRP (DAS28-CRP)](https://clinideck.com/disease-activity-score-28-for-rheumatoid-arthritis-with-crp-das28-crp/): Describes severity of rheumatoid arthritis using clinical and laboratory data, specifically CRP.
- [Disease Activity Score-28 for Rheumatoid Arthritis with ESR (DAS28-ESR)](https://clinideck.com/disease-activity-score-28-for-rheumatoid-arthritis-with-esr-das28-esr/): Describes severity of rheumatoid arthritis using clinical and laboratory data, specifically ESR.
- [Disease Steps for Multiple Sclerosis](https://clinideck.com/disease-steps-for-multiple-sclerosis/): Evaluates MS disease progression based on patient’s ambulatory ability.
- [Donor Lymphocyte Infusion (DLI) Volume](https://clinideck.com/donor-lymphocyte-infusion-dli-volume/): Estimates volume of whole blood to process by apheresis to yield an appropriate DLI dosage.
- [DRAGON Score for Post-TPA Stroke Outcome](https://clinideck.com/dragon-score-for-post-tpa-stroke-outcome/): Predicts 3 month outcome in ischemic stroke patients receiving TPA.
- [Drug Resistance in Pneumonia (DRIP) Score](https://clinideck.com/drug-resistance-in-pneumonia-drip-score/): Predicts risk for community-acquired pneumonia due to drug-resistant pathogens.
- [DSM-5 Criteria for Binge Eating Disorder](https://clinideck.com/dsm-5-criteria-for-binge-eating-disorder/): Diagnostic criteria for binge eating disorder (BED).
- [DSM-5 Criteria for Bipolar Disorder](https://clinideck.com/dsm-5-criteria-for-bipolar-disorder/): Diagnostic criteria for bipolar disorder (BD).
- [DSM-5 Criteria for Major Depressive Disorder](https://clinideck.com/dsm-5-criteria-for-major-depressive-disorder/): Diagnostic criteria for major depressive disorder (MDD).
- [DSM-5 Criteria for Posttraumatic Stress Disorder](https://clinideck.com/dsm-5-criteria-for-posttraumatic-stress-disorder/): Diagnostic criteria for posttraumatic stress disorder (PTSD).
- [du Bois Score for Idiopathic Pulmonary Fibrosis (IPF) Mortality](https://clinideck.com/du-bois-score-for-idiopathic-pulmonary-fibrosis-ipf-mortality/): Determines 1-year mortality in IPF patients using PFT and clinical indicators.
- [Dual Antiplatelet Therapy (DAPT) Score](https://clinideck.com/dual-antiplatelet-therapy-dapt-score/): Predicts which patients will benefit from prolonged DAPT after coronary stent placement.
- [Duke Activity Status Index (DASI)](https://clinideck.com/duke-activity-status-index-dasi/): Estimates functional capacity.
- [Duke Criteria for Infective Endocarditis](https://clinideck.com/duke-criteria-for-infective-endocarditis/): Diagnostic criteria for endocarditis.
- [Duke Treadmill Score](https://clinideck.com/duke-treadmill-score/): Diagnoses and prognoses suspected CAD based on the treadmill exercise test.
- [Dutch Criteria for Familial Hypercholesterolemia (FH)](https://clinideck.com/dutch-criteria-for-familial-hypercholesterolemia-fh/): Diagnoses familial hypercholesterolemia (FH) based on clinical, genetic and family history.
- [Duval/CIBMTR Score for Acute Myelogenous Leukemia (AML) Survival](https://clinideck.com/duval-cibmtr-score-for-acute-myelogenous-leukemia-aml-survival/): Predicts overall survival in AML patients with relapsed/refractory disease undergoing myeloablative transplant.
- [Eastern Cooperative Oncology Group (ECOG) Performance Status](https://clinideck.com/eastern-cooperative-oncology-group-ecog-performance-status/): Determines ability of patient to tolerate therapies in serious illness, specifically for chemotherapy, simpler than the Karnofsky Scale .
- [ED-SAFE Patient Safety Screener 3 (PSS-3)](https://clinideck.com/ed-safe-patient-safety-screener-3-pss-3/): Screens for suicidality in emergency patients.
- [EGSYS (Evaluation of Guidelines in SYncope Study) Score for Syncope](https://clinideck.com/egsys-evaluation-of-guidelines-in-syncope-study-score-for-syncope/): Predicts likelihood that syncope is from cardiac cause.
- [El-Ganzouri Risk Index (EGRI) for Difficult Airway](https://clinideck.com/el-ganzouri-risk-index-egri-for-difficult-airway/): Predicts risk of difficult airway.
- [Embolic Stroke of Undetermined Source (ESUS) Criteria](https://clinideck.com/embolic-stroke-of-undetermined-source-esus-criteria/): Diagnoses embolic stroke of undetermined source.
- [Emergency Department Assessment of Chest Pain Score (EDACS)](https://clinideck.com/emergency-department-assessment-of-chest-pain-score-edacs/): Identifies chest pain patients with low risk of major adverse cardiac event.
- [Emergency Heart Failure Mortality Risk Grade (EHMRG)](https://clinideck.com/emergency-heart-failure-mortality-risk-grade-ehmrg/): Estimates 7-day mortality of emergency HF patients.
- [Endotracheal Tube (ETT) Depth and Tidal Volume Calculator](https://clinideck.com/endotracheal-tube-ett-depth-and-tidal-volume-calculator/): Estimates depth of optimal ETT placement and target tidal volume by height.
- [Estimated Average Glucose (eAG) From HbA1C](https://clinideck.com/estimated-average-glucose-eag-from-hba1c/): Estimates an average glucose level from Hemoglobin A1C value.
- [Estimated Ethanol (and Toxic Alcohol) Serum Concentration Based on Ingestion](https://clinideck.com/estimated-ethanol-and-toxic-alcohol-serum-concentration-based-on-ingestion/): Predicts ethanol concentration based on ingestion of alcohol.
- [Estimated/Expected Peak Expiratory Flow (Peak Flow)](https://clinideck.com/estimated-expected-peak-expiratory-flow-peak-flow/): Quantifies asthma exacerbation severity.
- [European System for Cardiac Operative Risk Evaluation (EuroSCORE) II](https://clinideck.com/european-system-for-cardiac-operative-risk-evaluation-euroscore-ii/): Predicts risk of in-hospital mortality after major cardiac surgery.
- [EUTOS Score for Chronic Myelogenous Leukemia (CML)](https://clinideck.com/eutos-score-for-chronic-myelogenous-leukemia-cml/): Predicts outcomes after CML treatments, specifically adjusted for tyrosine kinase treatments.
- [EVendo Score for Esophageal Varices](https://clinideck.com/evendo-score-for-esophageal-varices/): Predicts presence and size of esophageal varices before screening endoscopy.
- [Expanded Disability Status Scale (EDSS) / Functional Systems Score (FSS)](https://clinideck.com/expanded-disability-status-scale-edss-functional-systems-score-fss/): Describes severity of disability in patients with MS.
- [Fatty Liver Index](https://clinideck.com/fatty-liver-index/): Diagnoses fatty liver using labs and exam findings.
- [Fetal Biophysical Profile (BPP) Score](https://clinideck.com/fetal-biophysical-profile-bpp-score/): Predicts need for urgent delivery based on sonographic and nonstress testing.
- [FeverPAIN Score for Strep Pharyngitis](https://clinideck.com/feverpain-score-for-strep-pharyngitis/): Predicts likelihood of strep throat.
- [Fibrosis-4 (FIB-4) Index for Liver Fibrosis](https://clinideck.com/fibrosis-4-fib-4-index-for-liver-fibrosis/): Noninvasive estimate of liver scarring in HCV and HBV patients, to assess need for biopsy.
- [FIGO Staging for Ovarian Cancer (2014)](https://clinideck.com/figo-staging-for-ovarian-cancer-2014/): Stages cancer of the ovary, fallopian tube, and peritoneum.
- [FINDRISC (Finnish Diabetes Risk Score)](https://clinideck.com/findrisc-finnish-diabetes-risk-score/): Identifies patients at high risk for type 2 diabetes.
- [Fisher Grading Scale for Subarachnoid Hemorrhage (SAH)](https://clinideck.com/fisher-grading-scale-for-subarachnoid-hemorrhage-sah/): Rates risk of vasospasm in aSAH based on amount and distribution of blood on CT.
- [Fleischner Society Guidelines for Incidental Pulmonary Nodules](https://clinideck.com/fleischner-society-guidelines-for-incidental-pulmonary-nodules/): Provides guidelines for management of solid and subsolid pulmonary nodules.
- [Focused Assessment with Sonography for Trauma (FAST)](https://clinideck.com/focused-assessment-with-sonography-for-trauma-fast/): Predicts presence of pericardial or intra-abdominal injury after penetrating or blunt trauma.
- [Follicular Lymphoma International Prognostic Index (FLIPI)](https://clinideck.com/follicular-lymphoma-international-prognostic-index-flipi/): Estimates overall survival based on clinical information.
- [Fomepizole Dosing](https://clinideck.com/fomepizole-dosing/): Doses fomepizole for methanol and ethylene glycol reversal.
- [Fong Clinical Risk Score for Colorectal Cancer Recurrence](https://clinideck.com/fong-clinical-risk-score-for-colorectal-cancer-recurrence/): Predicts recurrence for colorectal cancer patients with liver metastasis after hepatic resection.
- [Forrest Classification of Upper GI Bleeding](https://clinideck.com/forrest-classification-of-upper-gi-bleeding/): Stratifies severity of upper GI bleeding according to endoscopic findings.
- [FOUR (Full Outline of UnResponsiveness) Score](https://clinideck.com/four-full-outline-of-unresponsiveness-score/): Grades coma severity; may be more accurate than the Glasgow Coma Scale.
- [Fractional Excretion of Sodium (FENa)](https://clinideck.com/fractional-excretion-of-sodium-fena/): Determines if renal failure is due to prerenal or intrinsic pathology.
- [Fractional Excretion of Urea (FEUrea)](https://clinideck.com/fractional-excretion-of-urea-feurea/): Determines the cause of renal failure. Similar to the FENa, but can be used on patients on diuretics.
- [Framingham Heart Failure Diagnostic Criteria](https://clinideck.com/framingham-heart-failure-diagnostic-criteria/): Diagnoses heart failure based on major and minor criteria.
- [Framingham Risk Score for Hard Coronary Heart Disease](https://clinideck.com/framingham-risk-score-for-hard-coronary-heart-disease/): Estimates 10-year risk of heart attack in patients 30-79 years with no history of CHD or diabetes.
- [Free Water Deficit in Hypernatremia](https://clinideck.com/free-water-deficit-in-hypernatremia/): Calculates free water deficit by estimated total body water in a patient with hypernatremia or dehydration.
- [Fuhrman Nuclear Grade for Clear Cell Renal Carcinoma](https://clinideck.com/fuhrman-nuclear-grade-for-clear-cell-renal-carcinoma/): Provides prognostic grading system for tumor cells based on physical cellular appearance.
- [Functional Outcome in Patients With Primary Intracerebral Hemorrhage (FUNC) Score](https://clinideck.com/functional-outcome-in-patients-with-primary-intracerebral-hemorrhage-func-score/): Identifies patients with ICH who will attain functional independence and assists in clinical decision-making.
- [GAD-7 (General Anxiety Disorder-7)](https://clinideck.com/gad-7-general-anxiety-disorder-7/): Measures severity of anxiety.
- [Gail Model for Breast Cancer Risk](https://clinideck.com/gail-model-for-breast-cancer-risk/): Estimates risk for breast cancer based on demographic and clinical data.
- [GALAD Model for Hepatocellular Carcinoma (HCC)](https://clinideck.com/galad-model-for-hepatocellular-carcinoma-hcc/): Diagnoses HCC based on serum biomarkers in patients with chronic liver disease (CLD).
- [Ganzoni Equation for Iron Deficiency Anemia](https://clinideck.com/ganzoni-equation-for-iron-deficiency-anemia/): Assesses total body iron deficit for iron replacement therapy.
- [GAP Index for Idiopathic Pulmonary Fibrosis (IPF) Mortality](https://clinideck.com/gap-index-for-idiopathic-pulmonary-fibrosis-ipf-mortality/): Provides 1, 2, and 3-year mortality estimates for IPF patients.
- [GCS-Pupils Score](https://clinideck.com/gcs-pupils-score/): Combines GCS and pupil reactivity for greater accuracy at low GCS.
- [Geneva Risk Score for Venous Thromboembolism (VTE) Prophylaxis](https://clinideck.com/geneva-risk-score-for-venous-thromboembolism-vte-prophylaxis/): Predicts need for VTE prophylaxis in admitted patients.
- [Geneva Score (Revised) for Pulmonary Embolism](https://clinideck.com/geneva-score-revised-for-pulmonary-embolism/): Objectifies risk of PE, like Wells' score.
- [Glasgow Alcoholic Hepatitis Score](https://clinideck.com/glasgow-alcoholic-hepatitis-score/): Predicts mortality in patients with alcoholic hepatitis by lab results and age.
- [Glasgow Prognostic Score (GPS) for Cancer Outcomes](https://clinideck.com/glasgow-prognostic-score-gps-for-cancer-outcomes/): Provides cancer prognosis based on serum biomarkers.
- [Glasgow-Blatchford Bleeding Score (GBS)](https://clinideck.com/glasgow-blatchford-bleeding-score-gbs/): Stratifies upper GI bleeding patients who are "low-risk" and candidates for outpatient management.
- [Glasgow-Imrie Criteria for Severity of Acute Pancreatitis](https://clinideck.com/glasgow-imrie-criteria-for-severity-of-acute-pancreatitis/): Determines severity of pancreatitis based on 8 laboratory values.
- [Gleason Score for Prostate Cancer](https://clinideck.com/gleason-score-for-prostate-cancer/): Prognoses prostate cancer based on microscopic tumor appearance.
- [Global Initiative for Obstructive Lung Disease (GOLD) Criteria for COPD](https://clinideck.com/global-initiative-for-obstructive-lung-disease-gold-criteria-for-copd/): Assesses different stages of COPD and provides treatment recommendations.
- [GO-FAR (Good Outcome Following Attempted Resuscitation) Score](https://clinideck.com/go-far-good-outcome-following-attempted-resuscitation-score/): Predicts survival to discharge with good outcome after in-hospital cardiac arrest.
- [GRACE ACS Risk and Mortality Calculator](https://clinideck.com/grace-acs-risk-and-mortality-calculator/): Estimates admission to 6 month mortality for patients with acute coronary syndrome.
- [Groupe d'Etude des Lymphomes Folliculaires (GELF) Criteria](https://clinideck.com/groupe-detude-des-lymphomes-folliculaires-gelf-criteria/): Determines if immediate therapy for follicular lymphoma is required.
- [Gupta Perioperative Risk for Myocardial Infarction or Cardiac Arrest (MICA)](https://clinideck.com/gupta-perioperative-risk-for-myocardial-infarction-or-cardiac-arrest-mica/): Predicts risk of MI or cardiac arrest after surgery.
- [Gupta Postoperative Pneumonia Risk](https://clinideck.com/gupta-postoperative-pneumonia-risk/): Predicts risk of pneumonia after surgery.
- [Gupta Postoperative Respiratory Failure Risk](https://clinideck.com/gupta-postoperative-respiratory-failure-risk/): Predicts risk of mechanical ventilation for longer than 48 hrs postop or reintubation within 30 days.
- [GWTG-Heart Failure Risk Score](https://clinideck.com/gwtg-heart-failure-risk-score/): Predicts in-hospital all-cause heart failure mortality.
- [H2FPEF Score for Heart Failure with Preserved Ejection Fraction](https://clinideck.com/h2fpef-score-for-heart-failure-with-preserved-ejection-fraction/): Estimates probability of underlying heart failure in patients with preserved ejection fraction on echo.
- [Hamilton Anxiety Scale](https://clinideck.com/hamilton-anxiety-scale/): Rates level of anxiety based on clinical questions.
- [Hamilton Depression Rating Scale (HAM-D)](https://clinideck.com/hamilton-depression-rating-scale-ham-d/): Stratifies severity of depression, similar to PHQ-9 .
- [Harmless Acute Pancreatitis Score (HAPS)](https://clinideck.com/harmless-acute-pancreatitis-score-haps/): Identifies patients who do not require intensive care for their first episode of acute pancreatitis.
- [HAS-BLED Score for Major Bleeding Risk](https://clinideck.com/has-bled-score-for-major-bleeding-risk/): Estimates risk of major bleeding for patients on anticoagulation to assess risk-benefit in atrial fibrillation care.
- [HAT (Hemorrhage After Thrombolysis) Score for Predicting Post-tPA Hemorrhage](https://clinideck.com/hat-hemorrhage-after-thrombolysis-score-for-predicting-post-tpa-hemorrhage/): Assesses hemorrhage risk after tPA.
- [HEART Pathway for Early Discharge in Acute Chest Pain](https://clinideck.com/heart-pathway-for-early-discharge-in-acute-chest-pain/): Identifies emergency department patients with acute chest pain for early discharge.
- [HEART Score for Major Cardiac Events](https://clinideck.com/heart-score-for-major-cardiac-events/): Predicts 6-week risk of major adverse cardiac events in patients with chest pain.
- [Hematopoietic Cell Transplantation-specific Comorbidity Index (HCT-CI)](https://clinideck.com/hematopoietic-cell-transplantation-specific-comorbidity-index-hct-ci/): Predicts survival after HCT in patients with hematologic malignancies, including optional age adjustment.
- [HEMORR₂HAGES Score for Major Bleeding Risk](https://clinideck.com/hemorr2hages-score-for-major-bleeding-risk/): Quantifies risk of hemorrhage in elderly patients with AFib.
- [HERDOO2 Rule for Discontinuing Anticoagulation in Unprovoked VTE](https://clinideck.com/herdoo2-rule-for-discontinuing-anticoagulation-in-unprovoked-vte/): Identifies low-risk women who can safely discontinue VTE treatment.
- [Hestia Criteria for Outpatient Pulmonary Embolism Treatment](https://clinideck.com/hestia-criteria-for-outpatient-pulmonary-embolism-treatment/): Identifies low-risk PE patients safe for outpatient treatment.
- [High-dose Insulin Euglycemia Therapy (HIET)](https://clinideck.com/high-dose-insulin-euglycemia-therapy-hiet/): Doses insulin for calcium-channel blocker or beta blocker overdose.
- [HINTS for Stroke in Acute Vestibular Syndrome](https://clinideck.com/hints-for-stroke-in-acute-vestibular-syndrome/): Identifies potential stroke in patients with acute vestibular syndrome (AVS).
- [History and Electrocardiogram-only Manchester Acute Coronary Syndromes (HE-MACS)](https://clinideck.com/history-and-electrocardiogram-only-manchester-acute-coronary-syndromes-he-macs/): Stratifies ACS risk with history and EKG only (not yet externally validated).
- [HIT Expert Probability (HEP) Score for Heparin-Induced Thrombocytopenia](https://clinideck.com/hit-expert-probability-hep-score-for-heparin-induced-thrombocytopenia/): Pre-test clinical scoring model for HIT based on broad expert opinion.
- [HIV Needle Stick Risk Assessment Stratification Protocol (RASP)](https://clinideck.com/hiv-needle-stick-risk-assessment-stratification-protocol-rasp/): Quantifies HIV exposure risk by source and exposure type and need for prophylaxis.
- [HOMA-IR (Homeostatic Model Assessment for Insulin Resistance)](https://clinideck.com/homa-ir-homeostatic-model-assessment-for-insulin-resistance/): Approximates insulin resistance.
- [Horowitz Index for Lung Function (P/F Ratio)](https://clinideck.com/horowitz-index-for-lung-function-p-f-ratio/): Assesses lung function, particularly in intubated patients.
- [HOSPITAL Score for Readmissions](https://clinideck.com/hospital-score-for-readmissions/): Predicts 30-day potentially avoidable hospital readmissions.
- [Hour-Specific Risk for Neonatal Hyperbilirubinemia](https://clinideck.com/hour-specific-risk-for-neonatal-hyperbilirubinemia/): Predicts risk of hyperbilirubinemia in neonates.
- [HScore for Reactive Hemophagocytic Syndrome](https://clinideck.com/hscore-for-reactive-hemophagocytic-syndrome/): Diagnoses reactive hemophagocytic syndrome.
- [Hunt & Hess Classification of Subarachnoid Hemorrhage](https://clinideck.com/hunt-hess-classification-of-subarachnoid-hemorrhage/): Classifies severity of subarachnoid hemorrhage to predict mortality.
- [Hydroxychloroquine (Plaquenil) Dosing Calculator](https://clinideck.com/hydroxychloroquine-plaquenil-dosing-calculator/): Calculates maximum daily dose of hydroxychloroquine to reduce of retinopathy.
- [Hypoglycemia Risk Score](https://clinideck.com/hypoglycemia-risk-score/): Predicts 12-month risk of hypoglycemic episodes in T2DM patients.
- [Ideal Body Weight and Adjusted Body Weight](https://clinideck.com/ideal-body-weight-and-adjusted-body-weight/): Calculates ideal body weight (Devine formula) and adjusted body weight.
- [IMDC (International Metastatic RCC Database Consortium) Risk Model for Metastatic Renal Cell Carcinoma](https://clinideck.com/imdc-international-metastatic-rcc-database-consortium-risk-model-for-metastatic-renal-cell-carcinoma/): Predicts survival in patients with metastatic renal cell carcinoma treated with systemic therapy (also known as Heng criteria).
- [Immune-Related Adverse Events for GI Toxicity - Colitis](https://clinideck.com/immune-related-adverse-events-for-gi-toxicity-colitis/): Grades severity of colitis secondary to immune checkpoint inhibitor therapy.
- [Immunization Schedule Calculator](https://clinideck.com/immunization-schedule-calculator/): Determines what immunizations/vaccinations are due based on a patient's age.
- [IMPACT Score for Outcomes in Head Injury](https://clinideck.com/impact-score-for-outcomes-in-head-injury/): Predicts 6-month mortality and unfavorable outcomes after moderate to severe traumatic brain injury (TBI).
- [Indian Takayasu Clinical Activity Score (ITAS2010)](https://clinideck.com/indian-takayasu-clinical-activity-score-itas2010/): Differentiates between active and inactive disease in Takayasu arteritis (TAK).
- [Infective Endocarditis (IE) Mortality Risk Score](https://clinideck.com/infective-endocarditis-ie-mortality-risk-score/): Predicts mortality at 6 months in patients with infective endocarditis.
- [Injury Severity Score (ISS)](https://clinideck.com/injury-severity-score-iss/): Standardizes severity of traumatic injury based on worst injury of 6 body systems.
- [INTERCHEST Clinical Prediction Rule for Chest Pain in Primary Care](https://clinideck.com/interchest-clinical-prediction-rule-for-chest-pain-in-primary-care/): Rules out coronary artery disease (CAD) in primary care patients with chest pain.
- [International Prognostic Index for Chronic Lymphocytic Leukemia (CLL-IPI)](https://clinideck.com/international-prognostic-index-for-chronic-lymphocytic-leukemia-cll-ipi/): Stratifies patients with chronic lymphocytic leukemia into four risk categories.
- [International Prognostic Index for Diffuse Large B-cell Lymphoma (IPI and R-IPI)](https://clinideck.com/international-prognostic-index-for-diffuse-large-b-cell-lymphoma-ipi-and-r-ipi/): Predicts overall and progression-free survival in DLBCL based on risk factors.
- [International Working Group (IWG) 2 Criteria for Alzheimer's Disease Diagnosis](https://clinideck.com/international-working-group-iwg-2-criteria-for-alzheimers-disease-diagnosis/): Diagnoses Alzheimer disease (AD), newer than NINCDS-ADRDA Criteria .
- [Intracerebral Hemorrhage (ICH) Score](https://clinideck.com/intracerebral-hemorrhage-ich-score/): Estimates mortality in ICH based on age and CT findings.
- [Intraoperative Fluid Dosing in Adult Patients](https://clinideck.com/intraoperative-fluid-dosing-in-adult-patients/): Doses IV fluids intraoperatively.
- [Intrauterine RBC Transfusion Dosage](https://clinideck.com/intrauterine-rbc-transfusion-dosage/): Estimates volume of donor RBCs needed for intrauterine transfusion (IUT).
- [ISTH Criteria for Disseminated Intravascular Coagulation (DIC)](https://clinideck.com/isth-criteria-for-disseminated-intravascular-coagulation-dic/): Diagnoses overt disseminated intravascular coagulation (DIC).
- [Jones Criteria for Acute Rheumatic Fever Diagnosis](https://clinideck.com/jones-criteria-for-acute-rheumatic-fever-diagnosis/): Diagnoses acute rheumatic fever based on major and minor criteria.
- [Karnofsky Performance Status Scale](https://clinideck.com/karnofsky-performance-status-scale/): Determines ability of patient to tolerate chemotherapy.
- [Kawasaki Disease Diagnostic Criteria](https://clinideck.com/kawasaki-disease-diagnostic-criteria/): Diagnoses Kawasaki Disease.
- [Khorana Risk Score for Venous Thromboembolism in Cancer Patients](https://clinideck.com/khorana-risk-score-for-venous-thromboembolism-in-cancer-patients/): Predicts risk of VTE for cancer patients depending on type of cancer and other factors.
- [Kidney Failure Risk Calculator](https://clinideck.com/kidney-failure-risk-calculator/): Predicts progression to kidney failure in patients with chronic kidney disease (CKD).
- [Killip Classification for Heart Failure](https://clinideck.com/killip-classification-for-heart-failure/): Quantifies severity of heart failure in ACS and predicts 30-day mortality.
- [Kinetic Estimated Glomerular Filtration Rate (keGFR)](https://clinideck.com/kinetic-estimated-glomerular-filtration-rate-kegfr/): Estimates GFR in patients with acutely changing creatinine.
- [King's College Criteria for Acetaminophen Toxicity](https://clinideck.com/kings-college-criteria-for-acetaminophen-toxicity/): Recommends who should be immediately referred for liver transplant.
- [Kocher Criteria for Septic Arthritis](https://clinideck.com/kocher-criteria-for-septic-arthritis/): Distinguishes septic arthritis from transient synovitis in a child with an inflamed hip.
- [Kruis Score for Diagnosis of Irritable Bowel Syndrome (IBS)](https://clinideck.com/kruis-score-for-diagnosis-of-irritable-bowel-syndrome-ibs/): Determines presence of IBS using clinically significant weighted criteria.
- [Kt/V for Dialysis Adequacy](https://clinideck.com/kt-v-for-dialysis-adequacy/): Quantifies both hemodialysis and peritoneal dialysis treatment adequacy.
- [LACE Index for Readmission](https://clinideck.com/lace-index-for-readmission/): Predicts 30-day readmission or death in patients on medicine and surgery wards.
- [Lansky Play-Performance Scale for Pediatric Functional Status](https://clinideck.com/lansky-play-performance-scale-for-pediatric-functional-status/): Uses parent description of child’s activity to assess ability and response to treatment.
- [LDL Calculated](https://clinideck.com/ldl-calculated/): Calculates LDL based on total and HDL cholesterol and triglycerides.
- [Leiden Clinical Prediction Rule for Undifferentiated Arthritis](https://clinideck.com/leiden-clinical-prediction-rule-for-undifferentiated-arthritis/): Diagnoses rheumatoid arthritis in patients with recent-onset undifferentiated arthritis.
- [LENT Prognostic Score for Malignant Pleural Effusion](https://clinideck.com/lent-prognostic-score-for-malignant-pleural-effusion/): Predicts survival in patients with malignant pleural effusion.
- [Licurse Score for Renal Ultrasound](https://clinideck.com/licurse-score-for-renal-ultrasound/): Predicts probability of hydronephrosis on renal ultrasonography (RUS) requiring urologic intervention in adult patients with acute kidney injury.
- [Light's Criteria for Exudative Effusions](https://clinideck.com/lights-criteria-for-exudative-effusions/): Determines if pleural fluid is exudative or transudative.
- [Lille Model for Alcoholic Hepatitis](https://clinideck.com/lille-model-for-alcoholic-hepatitis/): Predicts mortality in patients with alcoholic hepatitis not responding to steroid therapy.
- [Liver Decompensation Risk after Hepatectomy for Hepatocellular Carcinoma (HCC)](https://clinideck.com/liver-decompensation-risk-after-hepatectomy-for-hepatocellular-carcinoma-hcc/): Predicts risk of liver decompensation after hepatectomy for hepatocellular carcinoma (HCC).
- [Local Anesthetic Dosing Calculator](https://clinideck.com/local-anesthetic-dosing-calculator/): Doses local anesthetics to help avoid toxic doses.
- [Los Angeles (LA) Grading of Esophagitis](https://clinideck.com/los-angeles-la-grading-of-esophagitis/): Stratifies severity of esophagitis based on endoscopic findings, recommended by ACG guidelines .
- [Los Angeles Motor Scale (LAMS)](https://clinideck.com/los-angeles-motor-scale-lams/): Stratifies stroke severity in the field.
- [LRINEC Score for Necrotizing Soft Tissue Infection](https://clinideck.com/lrinec-score-for-necrotizing-soft-tissue-infection/): Screens for necrotizing soft tissue infections.
- [Lung Injury Prediction Score (LIPS)](https://clinideck.com/lung-injury-prediction-score-lips/): Identifies patients at high risk for developing acute lung injury (ALI).
- [Maddrey's Discriminant Function for Alcoholic Hepatitis](https://clinideck.com/maddreys-discriminant-function-for-alcoholic-hepatitis/): Predicts prognosis and steroid benefit in alcoholic hepatitis.
- [MAGGIC Risk Calculator for Heart Failure](https://clinideck.com/maggic-risk-calculator-for-heart-failure/): Estimates 1- and 3- year mortality in heart failure.
- [Maintenance Fluids Calculations](https://clinideck.com/maintenance-fluids-calculations/): Calculates maintenance fluid requirements by weight.
- [Major Depression Index (MDI)](https://clinideck.com/major-depression-index-mdi/): Screens for depression based on clinically significant questions.
- [Malnutrition Universal Screening Tool (MUST)](https://clinideck.com/malnutrition-universal-screening-tool-must/): Identifies patients who are malnourished or at risk of malnutrition.
- [Manchester Score for Prognosis in Small Cell Lung Cancer](https://clinideck.com/manchester-score-for-prognosis-in-small-cell-lung-cancer/): Predicts 2 year survival of small cell lung cancer.
- [Mangled Extremity Severity Score (MESS)](https://clinideck.com/mangled-extremity-severity-score-mess/): Estimates viability of an extremity after trauma, to determine need for salvage vs empiric amputation.
- [Manning Criteria for Diagnosis of Irritable Bowel Syndrome (IBS)](https://clinideck.com/manning-criteria-for-diagnosis-of-irritable-bowel-syndrome-ibs/): Determines likelihood of irritable bowel syndrome diagnosis based on clinically significant criteria.
- [Mantle Cell Lymphoma International Prognostic Index (MIPI)](https://clinideck.com/mantle-cell-lymphoma-international-prognostic-index-mipi/): Predicts survival in patients with mantle cell lymphoma.
- [Marburg Heart Score (MHS)](https://clinideck.com/marburg-heart-score-mhs/): Rules out coronary artery disease in primary care patients with chest pain.
- [MASCC Risk Index for Febrile Neutropenia](https://clinideck.com/mascc-risk-index-for-febrile-neutropenia/): Identifies patients at low risk for poor outcome with febrile neutropenia.
- [Maternal-Fetal Hemorrhage Rh(D) Immune Globulin Dosage](https://clinideck.com/maternal-fetal-hemorrhage-rh-d-immune-globulin-dosage/): Calculates amount of RhIG to be administered to the mother, at the time of delivery, to prevent hemolytic disease of the fetus and newborn (HDFN).
- [Maximum Allowable Blood Loss (ABL) Without Transfusion](https://clinideck.com/maximum-allowable-blood-loss-abl-without-transfusion/): Estimates the maximum allowable blood loss intraoperatively before transfusion should be considered.
- [Mayo Score/Disease Activity Index (DAI) for Ulcerative Colitis](https://clinideck.com/mayo-score-disease-activity-index-dai-for-ulcerative-colitis/): Assesses severity of ulcerative colitis.
- [McDonald Criteria for Multiple Sclerosis (2017 Revision)](https://clinideck.com/mcdonald-criteria-for-multiple-sclerosis-2017-revision/): Diagnoses multiple sclerosis.
- [McMahon Score for Rhabdomyolysis](https://clinideck.com/mcmahon-score-for-rhabdomyolysis/): Predicts mortality or acute kidney injury (AKI) in rhabdomyolysis patients.
- [MDRD GFR Equation](https://clinideck.com/mdrd-gfr-equation/): Estimates GFR in CKD patients using creatinine and patient characteristics.
- [Mean Arterial Pressure (MAP)](https://clinideck.com/mean-arterial-pressure-map/): Calculates mean arterial pressure.
- [Mehran Score for Post-PCI Contrast Nephropathy](https://clinideck.com/mehran-score-for-post-pci-contrast-nephropathy/): Predicts risk of contrast-induced nephropathy (CIN) after percutaneous coronary intervention (PCI).
- [Mekhail Extension of the Motzer Score](https://clinideck.com/mekhail-extension-of-the-motzer-score/): Predicts metastatic renal cell carcinoma survival, more accurately than the Motzer Score.
- [MELD Na (UNOS/OPTN)](https://clinideck.com/meld-na-unos-optn/): Quantifies end-stage liver disease for transplant planning with sodium.
- [MELD Score (Original, Pre-2016, Model for End-Stage Liver Disease)](https://clinideck.com/meld-score-original-pre-2016-model-for-end-stage-liver-disease/): Quantifies end-stage liver disease for transplant planning.
- [MELDNa/MELD-Na Score for Liver Cirrhosis](https://clinideck.com/meldna-meld-na-score-for-liver-cirrhosis/): Adds sodium to the MELD model for liver cirrhosis.
- [Memorial Sloan-Kettering Cancer Center (MSKCC/Motzer) Score for Metastatic Renal Cell Carcinoma (RCC)](https://clinideck.com/memorial-sloan-kettering-cancer-center-mskcc-motzer-score-for-metastatic-renal-cell-carcinoma-rcc/): Predicts survival based on clinical and laboratory data in metastatic RCC patients.
- [Metabolic Score for Insulin Resistance (METS-IR)](https://clinideck.com/metabolic-score-for-insulin-resistance-mets-ir/): Predicts risk of type 2 diabetes in previously undiagnosed patients.
- [Metroticket Calculator for Hepatocellular Carcinoma (HCC) Survival](https://clinideck.com/metroticket-calculator-for-hepatocellular-carcinoma-hcc-survival/): Predicts survival for patients with HCC.
- [Michigan Risk Score for PICC-Related Thrombosis](https://clinideck.com/michigan-risk-score-for-picc-related-thrombosis/): Predicts risk of DVT in patients with peripherally inserted central catheter (PICC).
- [Milan Criteria for Liver Transplantation](https://clinideck.com/milan-criteria-for-liver-transplantation/): Assess suitability of patients for liver transplant with cirrhosis and hepatocellular carcinoma, recommended by AASLD guidelines .
- [mMRC (Modified Medical Research Council) Dyspnea Scale](https://clinideck.com/mmrc-modified-medical-research-council-dyspnea-scale/): Stratifies severity of dyspnea in respiratory diseases, particularly COPD.
- [Modified Asthma Predictive Index (mAPI)](https://clinideck.com/modified-asthma-predictive-index-mapi/): Predicts future asthma in pediatric patients.
- [Modified Bishop Score for Vaginal Delivery and Induction of Labor](https://clinideck.com/modified-bishop-score-for-vaginal-delivery-and-induction-of-labor/): Predicts likelihood of successful vaginal delivery with additional parameters to the original Bishop score.
- [Modified Early Warning Score (MEWS) for Clinical Deterioration](https://clinideck.com/modified-early-warning-score-mews-for-clinical-deterioration/): Determines the degree of illness of a patient.
- [Modified Fatigue Impact Scale (MFIS)](https://clinideck.com/modified-fatigue-impact-scale-mfis/): Measures the impact fatigue takes on a patient's daily life.
- [Modified Finnegan Neonatal Abstinence Score (NAS)](https://clinideck.com/modified-finnegan-neonatal-abstinence-score-nas/): Stratifies severity of opioid withdrawal in newborns.
- [Modified Fisher Grading Scale for Subarachnoid Hemorrhage (SAH)](https://clinideck.com/modified-fisher-grading-scale-for-subarachnoid-hemorrhage-sah/): States severity of SAH based on amount and type of blood on CT with associated vasospasm risk.
- [Modified Glasgow Prognostic Score (mGPS) for Cancer Outcomes](https://clinideck.com/modified-glasgow-prognostic-score-mgps-for-cancer-outcomes/): Provides improved cancer prognosis over the original score , based on serum biomarkers.
- [Modified Hoehn and Yahr Scale for Parkinson’s Disease](https://clinideck.com/modified-hoehn-and-yahr-scale-for-parkinsons-disease/): Grades severity of symptoms in Parkinson disease.
- [Modified Mallampati Classification](https://clinideck.com/modified-mallampati-classification/): Stratifies predicted difficulty of endotracheal intubation based on anatomic features.
- [Modified NIH Stroke Scale/Score (mNIHSS)](https://clinideck.com/modified-nih-stroke-scale-score-mnihss/): Shortened, validated version of the NIHSS.
- [Modified Rankin Scale for Neurologic Disability](https://clinideck.com/modified-rankin-scale-for-neurologic-disability/): Measures the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability.
- [Modified Response Evaluation Criteria in Solid Tumors (mRECIST)](https://clinideck.com/modified-response-evaluation-criteria-in-solid-tumors-mrecist/): Measures treatment response, specifically to cytotoxic drugs, based on tumor shrinkage.
- [Modified Sequential Organ Failure Assessment (mSOFA) Score](https://clinideck.com/modified-sequential-organ-failure-assessment-msofa-score/): Predicts ICU mortality using mostly clinical variables and fewer labs (similar to SOFA Score ).
- [Modified SOAR Score for Stroke](https://clinideck.com/modified-soar-score-for-stroke/): Predicts short-term mortality in acute ischemic stroke.
- [Montgomery-Asberg Depression Rating Scale (MADRS)](https://clinideck.com/montgomery-asberg-depression-rating-scale-madrs/): Stratifies severity of depressive episodes in adults.
- [Montreal Classification for Inflammatory Bowel Disease (IBD)](https://clinideck.com/montreal-classification-for-inflammatory-bowel-disease-ibd/): Classifies severity of Crohn's disease and ulcerative colitis.
- [Montreal Cognitive Assessment (MoCA)](https://clinideck.com/montreal-cognitive-assessment-moca/): Screens for mild cognitive impairment.
- [Morphine Milligram Equivalents (MME) Calculator](https://clinideck.com/morphine-milligram-equivalents-mme-calculator/): Calculates total daily morphine milligram equivalents.
- [MuLBSTA Score for Viral Pneumonia Mortality](https://clinideck.com/mulbsta-score-for-viral-pneumonia-mortality/): Predicts 90-day mortality in patients with viral pneumonia.
- [Multiple Myeloma Diagnostic Criteria](https://clinideck.com/multiple-myeloma-diagnostic-criteria/): Diagnoses multiple myeloma, according to the International Myeloma Working Group (IMWG).
- [Multiple Myeloma International Staging System (ISS)](https://clinideck.com/multiple-myeloma-international-staging-system-iss/): Prognosticates the severity of multiple myeloma based on routinely obtained lab values.
- [Multiple Myeloma Response Criteria](https://clinideck.com/multiple-myeloma-response-criteria/): Predicts disease response in multiple myeloma, from the International Myeloma Working Group (IMWG).
- [Mumtaz Score for Readmission in Cirrhosis](https://clinideck.com/mumtaz-score-for-readmission-in-cirrhosis/): Predicts 30-day readmission risk in patients with cirrhosis.
- [Murray Score for Acute Lung Injury](https://clinideck.com/murray-score-for-acute-lung-injury/): Stratifies severity of acute lung injury, and is also used for ECMO patient selection.
- [NAFLD (Non-Alcoholic Fatty Liver Disease) Activity Score](https://clinideck.com/nafld-non-alcoholic-fatty-liver-disease-activity-score/): Diagnoses steatohepatitis, based on histology, in NAFLD patients.
- [NAFLD (Non-Alcoholic Fatty Liver Disease) Fibrosis Score](https://clinideck.com/nafld-non-alcoholic-fatty-liver-disease-fibrosis-score/): Estimates amount of scarring in the liver based on several laboratory tests.
- [Naloxone Drip Dosing](https://clinideck.com/naloxone-drip-dosing/): Doses naloxone for acute opioid overdose.
- [National Early Warning Score (NEWS)](https://clinideck.com/national-early-warning-score-news/): Determines the degree of illness of a patient and prompts critical care intervention.
- [National Early Warning Score (NEWS) 2](https://clinideck.com/national-early-warning-score-news-2/): Determines the degree of illness of a patient and prompts critical care intervention (recommended by NHS over original NEWS).
- [NEDOCS Score for Emergency Department Overcrowding](https://clinideck.com/nedocs-score-for-emergency-department-overcrowding/): Estimates severity of overcrowding in emergency departments.
- [Neonatal Partial Exchange for Polycythemia](https://clinideck.com/neonatal-partial-exchange-for-polycythemia/): Estimates the volume of whole blood to remove and volume of crystalloid to infuse in neonatal polycythemia.
- [Neuropathic Pain Scale (NPS)](https://clinideck.com/neuropathic-pain-scale-nps/): Quantifies severity of neuropathic pain.
- [New Orleans/Charity Head Trauma/Injury Rule](https://clinideck.com/new-orleans-charity-head-trauma-injury-rule/): Criteria for which patients are unlikely to require imaging after head trauma.
- [New York Heart Association (NYHA) Functional Classification for Heart Failure](https://clinideck.com/new-york-heart-association-nyha-functional-classification-for-heart-failure/): Stratifies severity of heart failure by symptoms.
- [Newsom Score for Non-traumatic Chest Pain](https://clinideck.com/newsom-score-for-non-traumatic-chest-pain/): Rules out need for chest x-ray in chest pain patients (non-traumatic).
- [NEXUS Chest CT Decision Instrument for CT Imaging](https://clinideck.com/nexus-chest-ct-decision-instrument-for-ct-imaging/): Identifies blunt trauma patients with clinically significant thoracic injuries.
- [NEXUS Chest Decision Instrument for Blunt Chest Trauma](https://clinideck.com/nexus-chest-decision-instrument-for-blunt-chest-trauma/): Determines need for chest imaging in blunt trauma patients.
- [NEXUS Criteria for C-Spine Imaging](https://clinideck.com/nexus-criteria-for-c-spine-imaging/): Clears patients from cervical spine fracture clinically, without imaging.
- [NIH Stroke Scale/Score (NIHSS)](https://clinideck.com/nih-stroke-scale-score-nihss/): Quantifies stroke severity and monitors for neurological changes over time.
- [NINCDS-ADRDA Criteria for Alzheimer’s Disease](https://clinideck.com/nincds-adrda-criteria-for-alzheimers-disease/): Diagnoses Alzheimer disease (AD), alternative to IWG-2 Criteria .
- [Nonverbal Pain Scale (NVPS) for Nonverbal Patients](https://clinideck.com/nonverbal-pain-scale-nvps-for-nonverbal-patients/): Quantifies pain in patients unable to speak (due to intubation, dementia, etc).
- [Nutrition Risk in the Critically Ill (NUTRIC) Score](https://clinideck.com/nutrition-risk-in-the-critically-ill-nutric-score/): Identifies critically ill patients who can benefit from nutrition therapy, recommended by ACG guidelines .
- [Nutrition Risk Screening 2002 (NRS-2002)](https://clinideck.com/nutrition-risk-screening-2002-nrs-2002/): Predicts risk of malnutrition in hospitalized patients, recommended by ACG guidelines .
- [Nutritional Risk Index (NRI)](https://clinideck.com/nutritional-risk-index-nri/): Quantifies malnutrition, validated in many populations.
- [Oakland Score for Safe Discharge After Lower GI Bleed](https://clinideck.com/oakland-score-for-safe-discharge-after-lower-gi-bleed/): Readmission and adverse event risk in patients with acute lower GI bleeding.
- [Ocular Hypertension Treatment Study (OHTS) Calculator](https://clinideck.com/ocular-hypertension-treatment-study-ohts-calculator/): Identifies patients that may benefit from therapy to lower intraocular pressure (IOP).
- [OESIL Score for Syncope](https://clinideck.com/oesil-score-for-syncope/): Estimates 12-month all-cause mortality in patients presenting with syncope.
- [Opiate Conversion Calculator](https://clinideck.com/opiate-conversion-calculator/): Converts between different types and routes of opiates.
- [Opioid Risk Tool (ORT) for Narcotic Abuse](https://clinideck.com/opioid-risk-tool-ort-for-narcotic-abuse/): Estimates risk of opioid-related aberrant behaviors.
- [ORBIT Bleeding Risk Score for Atrial Fibrillation](https://clinideck.com/orbit-bleeding-risk-score-for-atrial-fibrillation/): Predicts bleeding risk in patients on anticoagulation for afib, similar to HAS-BLED .
- [Ottawa Ankle Rule](https://clinideck.com/ottawa-ankle-rule/): Rules out clinically significant foot and ankle fractures to reduce use of x-ray imaging.
- [Ottawa COPD Risk Scale](https://clinideck.com/ottawa-copd-risk-scale/): Predicts 30-day mortality or serious adverse events (MI, intubation, etc) in ED patients with COPD.
- [Ottawa Heart Failure Risk Scale (OHFRS)](https://clinideck.com/ottawa-heart-failure-risk-scale-ohfrs/): Identifies ED patients with heart failure at high risk for serious adverse events.
- [Ottawa Knee Rule](https://clinideck.com/ottawa-knee-rule/): Describes criteria for knee trauma patients so low risk as not to warrant knee imaging.
- [Ottawa Subarachnoid Hemorrhage (SAH) Rule for Headache Evaluation](https://clinideck.com/ottawa-subarachnoid-hemorrhage-sah-rule-for-headache-evaluation/): Rules out SAH in patients with headache.
- [Overall Neuropathy Limitations Scale (ONLS)](https://clinideck.com/overall-neuropathy-limitations-scale-onls/): Quantifies severity of peripheral neuropathy.
- [Oxygenation Index](https://clinideck.com/oxygenation-index/): Predicts outcomes, especially in pediatric patients; helps determine need for ECMO.
- [Pack Years Calculator](https://clinideck.com/pack-years-calculator/): Calculates pack years in patients with any smoking history.
- [Padua Prediction Score for Risk of VTE](https://clinideck.com/padua-prediction-score-for-risk-of-vte/): Determines anticoagulation need in hospitalized patients by risk of VTE.
- [Pain Assessment in Advanced Dementia Scale (PAINAD)](https://clinideck.com/pain-assessment-in-advanced-dementia-scale-painad/): Assesses pain in patients with dementia.
- [Palchak (UC Davis) Rule for Pediatric Head Trauma](https://clinideck.com/palchak-uc-davis-rule-for-pediatric-head-trauma/): Identifies children at low risk for brain injuries after blunt head trauma.
- [Pancreatic Fistula Risk Score](https://clinideck.com/pancreatic-fistula-risk-score/): Predicts postoperative pancreatic fistula, based on intraoperative findings, after pancreatic resection.
- [Paradise Criteria for Tonsillectomy in Children](https://clinideck.com/paradise-criteria-for-tonsillectomy-in-children/): Predicts which patients with recurring sore throat will benefit from tonsillectomy.
- [Parkland Formula for Burns](https://clinideck.com/parkland-formula-for-burns/): Calculates fluid requirements for burn patients in a 24-hour period.
- [Patient Activity Scale (PAS) for RA](https://clinideck.com/patient-activity-scale-pas-for-ra/): Quantifies severity of rheumatoid arthritis (RA) using patient-reported symptoms.
- [Patient Activity Scale II (PAS II) for RA](https://clinideck.com/patient-activity-scale-ii-pas-ii-for-ra/): Quantifies severity of rheumatoid arthritis (RA) and has fewer questions than PAS.
- [PECARN Pediatric Head Injury/Trauma Algorithm](https://clinideck.com/pecarn-pediatric-head-injury-trauma-algorithm/): Predicts need for brain imaging after pediatric head injury.
- [PECARN Pediatric Intra-Abdominal Injury (IAI) Algorithm](https://clinideck.com/pecarn-pediatric-intra-abdominal-injury-iai-algorithm/): Identifies children at very low risk of clinically important blunt abdominal injuries.
- [PECARN Rule for Low Risk Febrile Infants 29-60 Days Old](https://clinideck.com/pecarn-rule-for-low-risk-febrile-infants-29-60-days-old/): Predicts risk of urinary tract infection, bacteremia, or bacterial meningitis in febrile infants age 29-60 days old.
- [Pediatric Appendicitis Risk Calculator (pARC)](https://clinideck.com/pediatric-appendicitis-risk-calculator-parc/): Quantifies appendicitis risk in pediatric patients with abdominal pain, possibly better than the Pediatric Appendicitis Score .
- [Pediatric Appendicitis Score (PAS)](https://clinideck.com/pediatric-appendicitis-score-pas/): Predicts appendicitis in children.
- [Pediatric Asthma Score (PAS)](https://clinideck.com/pediatric-asthma-score-pas/): Stratifies asthma severity in children.
- [Pediatric Asthma Severity Score (PASS) for Asthma Exacerbation Severity](https://clinideck.com/pediatric-asthma-severity-score-pass-for-asthma-exacerbation-severity/): Determines pediatric asthma severity based on physical exam findings.
- [Pediatric Early Warning Score (PEWS)](https://clinideck.com/pediatric-early-warning-score-pews/): Identifies pediatric patients at risk for clinical deterioration.
- [Pediatric Endotracheal Tube (ETT) Size](https://clinideck.com/pediatric-endotracheal-tube-ett-size/): Estimates ET tube size based on age.
- [Pediatric Glasgow Coma Scale (pGCS)](https://clinideck.com/pediatric-glasgow-coma-scale-pgcs/): Assesses impaired consciousness and coma in pediatric patients.
- [Pediatric Ins and Outs](https://clinideck.com/pediatric-ins-and-outs/): Calculates fluid status in volume per weight & volume per weight per time, for pediatrics.
- [Pediatric NEXUS II Head CT Decision Instrument for Blunt Trauma](https://clinideck.com/pediatric-nexus-ii-head-ct-decision-instrument-for-blunt-trauma/): Predicts need for head CT after pediatric blunt head injury, similar to PECARN .
- [Pediatric NIH Stroke Scale (NIHSS)](https://clinideck.com/pediatric-nih-stroke-scale-nihss/): Quantifies stroke severity using a child-specific version of the NIH Stroke Score .
- [Pediatric Respiratory Assessment Measure (PRAM) for Asthma Exacerbation Severity](https://clinideck.com/pediatric-respiratory-assessment-measure-pram-for-asthma-exacerbation-severity/): Measures severity of airway obstruction in pediatric patients using clinical observations.
- [Pediatric SIRS, Sepsis, and Septic Shock Criteria](https://clinideck.com/pediatric-sirs-sepsis-and-septic-shock-criteria/): Defines the severity of sepsis and septic shock for pediatric patients.
- [Pediatric Trauma BIG Score](https://clinideck.com/pediatric-trauma-big-score/): Stratifies severity of illness and predicts mortality in pediatric patients after trauma.
- [Pediatric Trauma Score (PTS)](https://clinideck.com/pediatric-trauma-score-pts/): Stratifies severity of traumatic injury in children.
- [Pediatric Ulcerative Colitis Activity Index (PUCAI)](https://clinideck.com/pediatric-ulcerative-colitis-activity-index-pucai/): Determines severity of ulcerative colitis (UC) in pediatric patients.
- [PEDIS Score for Diabetic Foot Ulcers](https://clinideck.com/pedis-score-for-diabetic-foot-ulcers/): Predicts 6-month risk of amputation and mortality in diabetic foot ulcers.
- [PEDOCS Score for Pediatric Emergency Department Overcrowding](https://clinideck.com/pedocs-score-for-pediatric-emergency-department-overcrowding/): Estimates severity of overcrowding in pediatrics emergency departments.
- [PELD Score (Pediatric End-Stage Liver Disease) (younger than 12)](https://clinideck.com/peld-score-pediatric-end-stage-liver-disease-younger-than-12/): Calculates the pediatric version of the MELD score for liver cirrhosis severity and transplant planning.
- [PERC Rule for Pulmonary Embolism](https://clinideck.com/perc-rule-for-pulmonary-embolism/): Rules out PE if no criteria are present and pre-test probability is ≤15%.
- [Peripheral Blood Stem Cell Collection](https://clinideck.com/peripheral-blood-stem-cell-collection/): Estimates CD34+ yield using pre-apheresis peripheral blood absolute CD34 blood count.
- [Phenytoin (Dilantin) Correction for Albumin/Renal Failure](https://clinideck.com/phenytoin-dilantin-correction-for-albumin-renal-failure/): Corrects serum phenytoin level for renal failure and/or hypoalbuminemia.
- [PHQ-9 (Patient Health Questionnaire-9)](https://clinideck.com/phq-9-patient-health-questionnaire-9/): Objectifies degree of depression severity.
- [PIRO Score for Community-Acquired Pneumonia](https://clinideck.com/piro-score-for-community-acquired-pneumonia/): Predicts ICU mortality in patients with community-acquired pneumonia.
- [Pittsburgh Knee Rules](https://clinideck.com/pittsburgh-knee-rules/): Defines when knee x-rays are unnecessary, based on the Pittsburgh rules.
- [Pittsburgh Response to Endovascular therapy (PRE) Score](https://clinideck.com/pittsburgh-response-to-endovascular-therapy-pre-score/): Identifies patients with anterior circulation large vessel occlusion (LVO) strokes likely to benefit from endovascular therapy.
- [PLAN Score for Stroke](https://clinideck.com/plan-score-for-stroke/): Predicts mortality and severe disability in acute ischemic stroke.
- [Plasma Dosage](https://clinideck.com/plasma-dosage/): Doses plasma for transfusion in patients with active bleeding.
- [PLASMIC Score for TTP](https://clinideck.com/plasmic-score-for-ttp/): Predicts ADAMTS13 deficiency in suspected thrombotic thrombocytopenic purpura (TTP) with high discrimination.
- [POMPE-C Tool for Pulmonary Embolism Mortality](https://clinideck.com/pompe-c-tool-for-pulmonary-embolism-mortality/): Predicts mortality for cancer patients with PE.
- [POSSUM for Operative Morbidity and Mortality Risk](https://clinideck.com/possum-for-operative-morbidity-and-mortality-risk/): Estimates morbidity and mortality for general surgery patients.
- [Prediction of Alcohol Withdrawal Severity Scale](https://clinideck.com/prediction-of-alcohol-withdrawal-severity-scale/): Predicts risk of severe alcohol withdrawal in hospitalized patients.
- [PREdiction of Survival on ECMO Therapy (PRESET) Score](https://clinideck.com/prediction-of-survival-on-ecmo-therapy-preset-score/): Predicts survival after ECMO for acute respiratory distress syndrome.
- [Pregnancy Due Dates Calculator](https://clinideck.com/pregnancy-due-dates-calculator/): Calculates pregnancy dates from last period, gestational age, or date of conception.
- [Preoperative Mortality Predictor (PMP) Score](https://clinideck.com/preoperative-mortality-predictor-pmp-score/): Predicts risk of perioperative mortality in general surgery patients.
- [PREVAIL Model for Prostate Cancer Survival](https://clinideck.com/prevail-model-for-prostate-cancer-survival/): Predicts overall survival in chemotherapy-naive patients with metastatic castration-resistant prostate cancer.
- [Prevention and Incidence of Asthma and Mite Allergy (PIAMA) Risk Score](https://clinideck.com/prevention-and-incidence-of-asthma-and-mite-allergy-piama-risk-score/): Determines risk of asthma for school age children.
- [Prognostic Index for Cancer Outcomes](https://clinideck.com/prognostic-index-for-cancer-outcomes/): Predicts cancer mortality from serum biomarkers.
- [PROMISE Score for Malignant Pleural Effusion](https://clinideck.com/promise-score-for-malignant-pleural-effusion/): Predicts 3-month mortality in patients with malignant pleural effusion.
- [Prostate Tumor Volume & Density](https://clinideck.com/prostate-tumor-volume-density/): Measures prostate tumor volume and PSA density.
- [PSA Doubling Time (PSADT) Calculator](https://clinideck.com/psa-doubling-time-psadt-calculator/): Calculates rate of PSA doubling in prostate cancer (correlates with survival).
- [PSI/PORT Score: Pneumonia Severity Index for CAP](https://clinideck.com/psi-port-score-pneumonia-severity-index-for-cap/): Estimates mortality for adult patients with community-acquired pneumonia.
- [Psoriasis Area and Severity Index (PASI)](https://clinideck.com/psoriasis-area-and-severity-index-pasi/): Quantifies severity of psoriasis.
- [Pulmonary Embolism Severity Index (PESI)](https://clinideck.com/pulmonary-embolism-severity-index-pesi/): Predicts 30-day outcome of patients with pulmonary embolism.
- [qSOFA (Quick SOFA) Score for Sepsis](https://clinideck.com/qsofa-quick-sofa-score-for-sepsis/): Identifies high-risk patients for in-hospital mortality with suspected infection outside the ICU.
- [Quick Inventory of Depressive Symptomatology (QIDS)](https://clinideck.com/quick-inventory-of-depressive-symptomatology-qids/): Rates depression symptoms via self-assessment, also known as QIDS-SR-16.
- [R Factor for Liver Injury](https://clinideck.com/r-factor-for-liver-injury/): Differentiates cholestatic from hepatocellular liver injury, recommended by ACG guidelines .
- [Radiation Biologically Effective Dose (BED) Calculator](https://clinideck.com/radiation-biologically-effective-dose-bed-calculator/): Calculates biologically effective dose (BED) and equivalent dose (EQD2) for cancer radiotherapy.
- [RADS (Radiologist’s Score) for Smoke Inhalation Injury](https://clinideck.com/rads-radiologists-score-for-smoke-inhalation-injury/): Stratifies severity of inhalation injury on chest CT.
- [Rai Staging System for Chronic Lymphocytic Leukemia (CLL)](https://clinideck.com/rai-staging-system-for-chronic-lymphocytic-leukemia-cll/): Stages chronic lymphocytic leukemia, similar to Binet Staging System .
- [Ranson's Criteria for Pancreatitis Mortality](https://clinideck.com/ransons-criteria-for-pancreatitis-mortality/): Estimates mortality of patients with pancreatitis, based on initial and 48-hour lab values.
- [Rapid Arterial oCclusion Evaluation (RACE) Scale for Stroke](https://clinideck.com/rapid-arterial-occlusion-evaluation-race-scale-for-stroke/): Predicts large vessel occlusion (LVO) in patients with acute stroke.
- [Rapid Emergency Medicine Score (REMS)](https://clinideck.com/rapid-emergency-medicine-score-rems/): Predicts in-hospital mortality in nonsurgical adult patients presenting to the ED.
- [RAPID Score for Acetabular Chondrolabral Disruption](https://clinideck.com/rapid-score-for-acetabular-chondrolabral-disruption/): Predicts probability of finding high-grade hip cartilage damage intraoperatively.
- [RAPID Score for Pleural Infection](https://clinideck.com/rapid-score-for-pleural-infection/): Predicts mortality in patients with pleural infection.
- [Rapid Shallow Breathing Index (RSBI)](https://clinideck.com/rapid-shallow-breathing-index-rsbi/): Predicts successful extubation, to be used only as a single component of the clinical picture.
- [RBC Units to Screen for Compatibility](https://clinideck.com/rbc-units-to-screen-for-compatibility/): Estimates number of donor RBC units to screen to obtain a desired number of antigen-negative units.
- [REACH-B Score for Hepatocellular Carcinoma (HCC)](https://clinideck.com/reach-b-score-for-hepatocellular-carcinoma-hcc/): Estimates risk of hepatocellular carcinoma (HCC) in patients with chronic hepatitis B.
- [READMITS Score for Readmissions in Acute MI](https://clinideck.com/readmits-score-for-readmissions-in-acute-mi/): Predicts 30-day readmission risk in patients admitted for ST-elevation myocardial infarction (not externally validated).
- [Recognition of Stroke in the Emergency Room (ROSIER) Scale](https://clinideck.com/recognition-of-stroke-in-the-emergency-room-rosier-scale/): Distinguishes between acute stroke and stroke mimics.
- [Recurrent Instability of the Patella (RIP) Score](https://clinideck.com/recurrent-instability-of-the-patella-rip-score/): Predicts risk of recurrent instability after primary patellar dislocation.
- [RegiSCAR Score for Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)](https://clinideck.com/regiscar-score-for-drug-reaction-with-eosinophilia-and-systemic-symptoms-dress/): Diagnoses drug reaction with eosinophilia and systemic symptoms (DRESS).
- [RENAL Nephrometry Score](https://clinideck.com/renal-nephrometry-score/): Categorizes renal masses by complexity for surgical decision-making.
- [RESP (Respiratory ECMO Survival Prediction) Score](https://clinideck.com/resp-respiratory-ecmo-survival-prediction-score/): Predicts in-hospital survival in adult patients after ECMO for acute respiratory failure.
- [Respiratory Score for Asthma](https://clinideck.com/respiratory-score-for-asthma/): Stratifies severity of asthma exacerbation in pediatric patients.
- [REVEAL Registry Risk Score 2.0 for Pulmonary Arterial Hypertension (PAH)](https://clinideck.com/reveal-registry-risk-score-2-0-for-pulmonary-arterial-hypertension-pah/): Predicts survival in patients with pulmonary arterial hypertension.
- [Revised Amyotrophic Lateral Sclerosis Functional Rating Scale (ALSFRS-R)](https://clinideck.com/revised-amyotrophic-lateral-sclerosis-functional-rating-scale-alsfrs-r/): Stratifies severity of amyotrophic lateral sclerosis (ALS), including respiratory function.
- [Revised Cardiac Risk Index for Pre-Operative Risk](https://clinideck.com/revised-cardiac-risk-index-for-pre-operative-risk/): Estimates risk of cardiac complications after noncardiac surgery.
- [Revised International Prognostic Scoring System (IPSS-R) for Myelodysplastic Syndrome (MDS)](https://clinideck.com/revised-international-prognostic-scoring-system-ipss-r-for-myelodysplastic-syndrome-mds/): Stages patients with MDS.
- [Revised McDonald Criteria for Multiple Sclerosis Diagnosis](https://clinideck.com/revised-mcdonald-criteria-for-multiple-sclerosis-diagnosis/): Determines presence of MS using MRI findings.
- [Revised Multiple Myeloma International Staging System (R-ISS)](https://clinideck.com/revised-multiple-myeloma-international-staging-system-r-iss/): Prognostication tool for myeloma patients based on the genetics and other routinely used lab values in conjunction with the original ISS Staging System.
- [Revised Natural History Model for Primary Sclerosing Cholangitis](https://clinideck.com/revised-natural-history-model-for-primary-sclerosing-cholangitis/): Estimates survival from primary sclerosing cholangitis.
- [Revised Original Score for Autoimmune Hepatitis (AIH)](https://clinideck.com/revised-original-score-for-autoimmune-hepatitis-aih/): Revised version of the original scoring system for the diagnosis of autoimmune hepatitis.
- [Revised Schwartz Equation for Glomerular Filtration Rate (GFR) (2009)](https://clinideck.com/revised-schwartz-equation-for-glomerular-filtration-rate-gfr-2009/): Estimates GFR in pediatric patients.
- [Revised Trauma Score](https://clinideck.com/revised-trauma-score/): Quantifies severity of trauma injuries based on GCS, blood pressure, and respiratory rate.
- [Revised Urinary Incontinence Scale (RUIS)](https://clinideck.com/revised-urinary-incontinence-scale-ruis/): Assesses urinary incontinence symptoms and monitors outcomes with treatment.
- [Reynolds Risk Score for Cardiovascular Risk in Women](https://clinideck.com/reynolds-risk-score-for-cardiovascular-risk-in-women/): Estimates 10-year cardiovascular risk in women over age 45 years.
- [Richmond Agitation-Sedation Scale (RASS)](https://clinideck.com/richmond-agitation-sedation-scale-rass/): Ranks agitation and possibility for sedation.
- [RIETE Score for Risk of Hemorrhage in Pulmonary Embolism Treatment](https://clinideck.com/riete-score-for-risk-of-hemorrhage-in-pulmonary-embolism-treatment/): Determine the risk of major bleeding during anticoagulant therapy.
- [RIFLE Criteria for Acute Kidney Injury (AKI)](https://clinideck.com/rifle-criteria-for-acute-kidney-injury-aki/): Classifies severity of acute kidney injury, similar to AKIN Classification .
- [RIPASA Score for Acute Appendicitis](https://clinideck.com/ripasa-score-for-acute-appendicitis/): Diagnoses appendicitis with lab values and clinical findings, especially for Asian populations.
- [Risk of Malignancy Index (RMI) for Ovarian Cancer](https://clinideck.com/risk-of-malignancy-index-rmi-for-ovarian-cancer/): Predicts risk that an adnexal mass is malignant.
- [Risk of Paradoxical Embolism (RoPE) Score](https://clinideck.com/risk-of-paradoxical-embolism-rope-score/): Identifies stroke-related PFO in patients with cryptogenic stroke.
- [Risk Score for Asthma Exacerbation (RSE)](https://clinideck.com/risk-score-for-asthma-exacerbation-rse/): Predicts likelihood of asthma exacerbation within 6 months.
- [RiskE Score for Cardiac Surgery in Active Infective Endocarditis](https://clinideck.com/riske-score-for-cardiac-surgery-in-active-infective-endocarditis/): Predicts perioperative mortality in patients with active left-sided endocarditis.
- [Rochester Criteria for Febrile Infants](https://clinideck.com/rochester-criteria-for-febrile-infants/): Determines whether febrile infants are low risk for serious bacterial infection.
- [Rockall Score for Upper GI Bleeding (Complete)](https://clinideck.com/rockall-score-for-upper-gi-bleeding-complete/): Determines severity of GI bleeding.
- [Rockall Score for Upper GI Bleeding (Pre-Endoscopy)](https://clinideck.com/rockall-score-for-upper-gi-bleeding-pre-endoscopy/): Determines severity of GI bleeding, prior to endoscopy.
- [Rome II Diagnostic Criteria for Irritable Bowel Syndrome (IBS)](https://clinideck.com/rome-ii-diagnostic-criteria-for-irritable-bowel-syndrome-ibs/): Official Rome II criteria for the diagnosis of irritable bowel syndrome.
- [Rome III Diagnostic Criteria for Irritable Bowel Syndrome (IBS)](https://clinideck.com/rome-iii-diagnostic-criteria-for-irritable-bowel-syndrome-ibs/): Official Rome III criteria for the diagnosis of irritable bowel syndrome.
- [Rome IV Diagnosis Criteria for Functional Heartburn](https://clinideck.com/rome-iv-diagnosis-criteria-for-functional-heartburn/): Official Rome IV criteria for the diagnosis of functional heartburn.
- [Rome IV Diagnostic Criteria for Functional Abdominal Bloating/Distension](https://clinideck.com/rome-iv-diagnostic-criteria-for-functional-abdominal-bloating-distension/): Official Rome IV criteria for the diagnosis of functional abdominal bloating or distension.
- [Rome IV Diagnostic Criteria for Functional Chest Pain](https://clinideck.com/rome-iv-diagnostic-criteria-for-functional-chest-pain/): Official Rome IV criteria for the diagnosis of functional chest pain.
- [Rome IV Diagnostic Criteria for Functional Constipation](https://clinideck.com/rome-iv-diagnostic-criteria-for-functional-constipation/): Official Rome IV criteria for the diagnosis of functional constipation.
- [Rome IV Diagnostic Criteria for Functional Diarrhea](https://clinideck.com/rome-iv-diagnostic-criteria-for-functional-diarrhea/): Official Rome IV criteria for the diagnosis of functional diarrhea.
- [Rome IV Diagnostic Criteria for Functional Dyspepsia](https://clinideck.com/rome-iv-diagnostic-criteria-for-functional-dyspepsia/): Official Rome IV criteria for the diagnosis of functional dyspepsia.
- [Rome IV Diagnostic Criteria for Functional Dysphagia](https://clinideck.com/rome-iv-diagnostic-criteria-for-functional-dysphagia/): Official Rome IV criteria for the diagnosis of functional dysphagia.
- [Rome IV Diagnostic Criteria for Globus](https://clinideck.com/rome-iv-diagnostic-criteria-for-globus/): Official Rome IV criteria for the diagnosis of globus.
- [Rome IV Diagnostic Criteria for Irritable Bowel Syndrome (IBS)](https://clinideck.com/rome-iv-diagnostic-criteria-for-irritable-bowel-syndrome-ibs/): Official Rome IV criteria for the diagnosis of irritable bowel syndrome.
- [Rome IV Diagnostic Criteria for Opioid-Induced Constipation](https://clinideck.com/rome-iv-diagnostic-criteria-for-opioid-induced-constipation/): Official Rome IV criteria for the diagnosis of opioid-induced constipation.
- [Rome IV Diagnostic Criteria for Reflux Hypersensitivity](https://clinideck.com/rome-iv-diagnostic-criteria-for-reflux-hypersensitivity/): Official Rome IV criteria for the diagnosis of reflux hypersensitivity.
- [Rome IV Diagnostic Criteria for Unspecified Functional Bowel Disorder](https://clinideck.com/rome-iv-diagnostic-criteria-for-unspecified-functional-bowel-disorder/): Official Rome IV criteria for the diagnosis of unspecified functional bowel disorder.
- [ROSE (Risk Stratification of Syncope in the Emergency Department) Rule](https://clinideck.com/rose-risk-stratification-of-syncope-in-the-emergency-department-rule/): Predicts 1-month serious outcome or death in patients presenting with syncope.
- [Rule of 7s for Lyme Meningitis](https://clinideck.com/rule-of-7s-for-lyme-meningitis/): Distinguishes Lyme meningitis from aseptic meningitis.
- [San Francisco Syncope Rule](https://clinideck.com/san-francisco-syncope-rule/): Predicts risk for serious outcomes at 7 days in patients presenting with syncope or near-syncope.
- [SAVE (Survival after Veno-Arterial ECMO) Score](https://clinideck.com/save-survival-after-veno-arterial-ecmo-score/): Predicts in-hospital survival in adult patients after VA ECMO for refractory cardiogenic shock.
- [Schwab and England Activities of Daily Living (ADL) Scale](https://clinideck.com/schwab-and-england-activities-of-daily-living-adl-scale/): Grades functional status in patients with Parkinson’s disease.
- [Seattle Heart Failure Model](https://clinideck.com/seattle-heart-failure-model/): Predicts survival in heart failure.
- [Secondary Intracerebral Hemorrhage (sICH) Score](https://clinideck.com/secondary-intracerebral-hemorrhage-sich-score/): Quantifies likelihood of underlying vascular etiology in patients with ICH.
- [SEDAN Score for Post-tPA Hemorrhage](https://clinideck.com/sedan-score-for-post-tpa-hemorrhage/): Predicts risk of Symptomatic Intracerebral Hemorrhage (sICH) after tPA.
- [Sequential Organ Failure Assessment (SOFA) Score](https://clinideck.com/sequential-organ-failure-assessment-sofa-score/): Predicts ICU mortality based on lab results and clinical data.
- [Serum Anion Gap](https://clinideck.com/serum-anion-gap/): Evaluates states of metabolic acidosis.
- [Serum Ascites Albumin Gradient (SAAG)](https://clinideck.com/serum-ascites-albumin-gradient-saag/): Defines presence of portal hypertension in patients with ascites.
- [Serum Osmolality/Osmolarity](https://clinideck.com/serum-osmolality-osmolarity/): Calculates expected serum osmolarity, for comparison to measured osmolality to detect unmeasured compounds in the serum.
- [Severe Community-Acquired Pneumonia (SCAP) Score](https://clinideck.com/severe-community-acquired-pneumonia-scap-score/): Predicts risk of adverse outcomes in CAP patients in the ED.
- [Sgarbossa's Criteria for MI in Left Bundle Branch Block](https://clinideck.com/sgarbossas-criteria-for-mi-in-left-bundle-branch-block/): Criteria to diagnose acute MI in patients with prior LBBB.
- [Shock Index](https://clinideck.com/shock-index/): May be a more sensitive indicator of occult shock, especially in trauma or acute hemorrhage.
- [Shock Index, Pediatric Age-Adjusted (SIPA)](https://clinideck.com/shock-index-pediatric-age-adjusted-sipa/): Predicts mortality in children with blunt trauma.
- [Shorr Score for MRSA Pneumonia](https://clinideck.com/shorr-score-for-mrsa-pneumonia/): Identifies pneumonia patients at low risk for MRSA.
- [Short Michigan Alcoholism Screening Test (SMAST)](https://clinideck.com/short-michigan-alcoholism-screening-test-smast/): Screens for alcohol abuse.
- [Shortened Modified Fatigue Impact Scale (MFIS)](https://clinideck.com/shortened-modified-fatigue-impact-scale-mfis/): Shorter version of MFIS which measures the impact fatigue takes on a patient's daily life.
- [Sickle Cell RBC Exchange Volume](https://clinideck.com/sickle-cell-rbc-exchange-volume/): Estimates the volume of donor RBCs needed for RBC exchange in patients with sickle cell disease.
- [Simon Broome Diagnostic Criteria for Familial Hypercholesterolemia (FH)](https://clinideck.com/simon-broome-diagnostic-criteria-for-familial-hypercholesterolemia-fh/): Diagnoses familial hypercholesterolemia (FH) based on clinical, genetic and family history.
- [Simple Disease Activity Index (SDAI) for Rheumatoid Arthritis](https://clinideck.com/simple-disease-activity-index-sdai-for-rheumatoid-arthritis/): Determines severity of rheumatoid arthritis using clinical and laboratory data.
- [Simplified Acute Physiology Score (SAPS) II](https://clinideck.com/simplified-acute-physiology-score-saps-ii/): Estimates mortality in ICU patients, comparable to APACHE II.
- [Simplified Autoimmune Hepatitis (AIH) Score](https://clinideck.com/simplified-autoimmune-hepatitis-aih-score/): Diagnoses autoimmune hepatitis.
- [Simplified Motor Score (SMS)](https://clinideck.com/simplified-motor-score-sms/): Simplifies assessment of head trauma patients compared to the GCS .
- [Simplified PESI (Pulmonary Embolism Severity Index)](https://clinideck.com/simplified-pesi-pulmonary-embolism-severity-index/): Predicts 30-day outcome of patients with PE, with fewer criteria than the original PESI.
- [SIRS, Sepsis, and Septic Shock Criteria](https://clinideck.com/sirs-sepsis-and-septic-shock-criteria/): Defines the severity of sepsis and septic shock.
- [SLICC Criteria for Systemic Lupus Erythematosus (SLE) 2012](https://clinideck.com/slicc-criteria-for-systemic-lupus-erythematosus-sle-2012/): Provides criteria for diagnosis of SLE.
- [SMART-COP Score for Pneumonia Severity](https://clinideck.com/smart-cop-score-for-pneumonia-severity/): Predicts need for intensive respiratory or vasopressor support (IRVS) in community-acquired pneumonia (CAP).
- [Sodium Correction for Hyperglycemia](https://clinideck.com/sodium-correction-for-hyperglycemia/): Calculates the actual sodium level in patients with hyperglycemia.
- [Sodium Correction Rate in Hyponatremia and Hypernatremia](https://clinideck.com/sodium-correction-rate-in-hyponatremia-and-hypernatremia/): Calculates recommended IV fluid type, rate, and volume to correct hyponatremia or hypernatremia at desired rate depending on clinical scenario.
- [Sodium Deficit in Hyponatremia](https://clinideck.com/sodium-deficit-in-hyponatremia/): Calculates sodium quantity missing in hyponatremia.
- [Sokal Index for Chronic Myelogenous Leukemia (CML)](https://clinideck.com/sokal-index-for-chronic-myelogenous-leukemia-cml/): Predicts survival of CML based on clinical and lab information.
- [Solitary Pulmonary Nodule (SPN) Malignancy Risk Score (Mayo Clinic Model)](https://clinideck.com/solitary-pulmonary-nodule-spn-malignancy-risk-score-mayo-clinic-model/): Predicts malignancy risk in solitary lung nodules on chest x-ray.
- [SSIGN Score for Renal Cell Carcinoma (RCC)](https://clinideck.com/ssign-score-for-renal-cell-carcinoma-rcc/): Predicts progression of clear cell renal cell carcinoma after radical nephrectomy.
- [Stanford Sleepiness Scale](https://clinideck.com/stanford-sleepiness-scale/): Quantifies subjective degrees of sleepiness.
- [Steinhart Model for Acute Heart Failure (AHF) in Undifferentiated Dyspnea](https://clinideck.com/steinhart-model-for-acute-heart-failure-ahf-in-undifferentiated-dyspnea/): Diagnoses acute heart failure with NT-proBNP in undifferentiated dyspneic patients.
- [Step-by-Step Approach to Febrile Infants](https://clinideck.com/step-by-step-approach-to-febrile-infants/): Identifies febrile infants ≤90 days old at low risk of invasive bacterial infections.
- [Steroid Conversion Calculator](https://clinideck.com/steroid-conversion-calculator/): Converts steroid dosages using dosing equivalencies.
- [STONE Nephrolithometry Score for Renal Calculi](https://clinideck.com/stone-nephrolithometry-score-for-renal-calculi/): Predicts recurrence of kidney stone based on radiological criteria.
- [STONE Score for Uncomplicated Ureteral Stone](https://clinideck.com/stone-score-for-uncomplicated-ureteral-stone/): Predicts likelihood of ureteral stone in nontoxic-appearing patients with flank pain.
- [Stool Osmolar/Osmotic Gap](https://clinideck.com/stool-osmolar-osmotic-gap/): Determines if chronic diarrhea is osmotic or secretory in nature.
- [STOP-BANG Score for Obstructive Sleep Apnea](https://clinideck.com/stop-bang-score-for-obstructive-sleep-apnea/): Screens for obstructive sleep apnea.
- [Subaxial Injury Classification and Severity Scale (SLICS)](https://clinideck.com/subaxial-injury-classification-and-severity-scale-slics/): Classifies subaxial cervical spine injury and provides treatment recommendations.
- [Subtle Anterior STEMI Calculator (4-Variable)](https://clinideck.com/subtle-anterior-stemi-calculator-4-variable/): Differentiates normal variant ST elevation (benign early repolarization) from anterior STEMI, more sensitive than 3-variable version.
- [Surgical Apgar Score (SAS) for Postoperative Risk](https://clinideck.com/surgical-apgar-score-sas-for-postoperative-risk/): Predicts postoperative risk of major complication, including death.
- [Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K)](https://clinideck.com/systemic-lupus-erythematosus-disease-activity-index-2000-sledai-2k/): Stratifies severity of systemic lupus erythematosus (SLE).
- [TASH Score (Trauma Associated Severe Hemorrhage)](https://clinideck.com/tash-score-trauma-associated-severe-hemorrhage/): Predicts the need for massive transfusion based on clinical and laboratory data.
- [Therapeutic Plasmapheresis Calculator](https://clinideck.com/therapeutic-plasmapheresis-calculator/): Estimates amount of a substance (e.g. antibody) remaining in the intravascular space after a given number of plasma volume exchanges.
- [Thoracolumbar Injury Classification and Severity Scale (TLICS)](https://clinideck.com/thoracolumbar-injury-classification-and-severity-scale-tlics/): Classifies thoracolumbar spine injury and provides treatment recommendations.
- [THRIVE Score for Stroke Outcome](https://clinideck.com/thrive-score-for-stroke-outcome/): Estimates prognosis after an acute ischemic stroke.
- [TIMI Risk Index](https://clinideck.com/timi-risk-index/): Provides mortality estimate in patients with ACS using only blood pressure, heart rate, and age.
- [TIMI Risk Score for STEMI](https://clinideck.com/timi-risk-score-for-stemi/): Estimates mortality in patients with STEMI.
- [TIMI Risk Score for UA/NSTEMI](https://clinideck.com/timi-risk-score-for-ua-nstemi/): Estimates mortality for patients with unstable angina and non-ST elevation MI.
- [Tokyo Guidelines for Acute Cholangitis 2018](https://clinideck.com/tokyo-guidelines-for-acute-cholangitis-2018/): Provides diagnostic criteria and severity grading for acute cholangitis.
- [Tokyo Guidelines for Acute Cholecystitis 2018](https://clinideck.com/tokyo-guidelines-for-acute-cholecystitis-2018/): Provides diagnostic criteria and severity grading for acute cholecystitis.
- [tPA (Alteplase) Dosing for Ischemic Stroke Calculator](https://clinideck.com/tpa-alteplase-dosing-for-ischemic-stroke-calculator/): Calculates alteplase dosing for ischemic stroke.
- [tPA Contraindications for Ischemic Stroke](https://clinideck.com/tpa-contraindications-for-ischemic-stroke/): Assesses inclusion/exclusion criteria for tPA in acute ischemic stroke patients.
- [Transtubular Potassium Gradient (TTKG)](https://clinideck.com/transtubular-potassium-gradient-ttkg/): May help in assessment of hyperkalemia or hypokalemia.
- [Troponin-only Manchester Acute Coronary Syndromes (T-MACS) Decision Aid](https://clinideck.com/troponin-only-manchester-acute-coronary-syndromes-t-macs-decision-aid/): Rules out acute coronary syndrome.
- [Truelove and Witts Severity Index for Ulcerative Colitis](https://clinideck.com/truelove-and-witts-severity-index-for-ulcerative-colitis/): Stratifies severity of ulcerative colitis.
- [Trunk Impairment Scale](https://clinideck.com/trunk-impairment-scale/): Quantifies disability after stroke; also validated in Parkinson disease.
- [UCLA Integrated Staging System (UISS) for Renal Cell Carcinoma (RCC)](https://clinideck.com/ucla-integrated-staging-system-uiss-for-renal-cell-carcinoma-rcc/): Provides 5-year disease-free prognosis for localized and metastatic RCC.
- [UCSF-CAPRA Score for Prostate Cancer Risk](https://clinideck.com/ucsf-capra-score-for-prostate-cancer-risk/): Predicts outcomes of patients post-treatment for prostate cancer.
- [United Kingdom Model for End-Stage Liver Disease (UKELD)](https://clinideck.com/united-kingdom-model-for-end-stage-liver-disease-ukeld/): Predicts mortality in end-stage liver disease patients for transplant planning (UK-specific).
- [Urinary Protein Excretion Estimation](https://clinideck.com/urinary-protein-excretion-estimation/): Quantifies 24-hour proteinuria with protein/creatinine ratio from a single urine sample.
- [Urine Anion Gap](https://clinideck.com/urine-anion-gap/): Detects urine acidosis for evaluation of non-gap metabolic acidosis.
- [Urine Output and Fluid Balance](https://clinideck.com/urine-output-and-fluid-balance/): Calculates urine output over a 24-hour period.
- [Urticaria Activity Score (UAS)](https://clinideck.com/urticaria-activity-score-uas/): Stratifies severity of urticaria.
- [US (MEDPED) Diagnostic Criteria for Familial Hypercholesterolemia (FH)](https://clinideck.com/us-medped-diagnostic-criteria-for-familial-hypercholesterolemia-fh/): Diagnoses familial hypercholesterolemia using age, family history, and total cholesterol.
- [Vancouver Chest Pain Rule](https://clinideck.com/vancouver-chest-pain-rule/): Identifies chest pain patients who are low risk and safe for early discharge.
- [VBAC Risk Score for Successful Vaginal Delivery (Flamm Model)](https://clinideck.com/vbac-risk-score-for-successful-vaginal-delivery-flamm-model/): Predicts likelihood of successful vaginal birth after previous caesarean section (VBAC).
- [Veterans Aging Cohort Study (VACS) 1.0 Index](https://clinideck.com/veterans-aging-cohort-study-vacs-1-0-index/): Estimates risk of 5-year all-cause mortality in patients with HIV and/or HCV.
- [Villalta Score for Post-thrombotic Syndrome (PTS)](https://clinideck.com/villalta-score-for-post-thrombotic-syndrome-pts/): Stratifies severity of post-thrombotic syndrome in lower extremity DVT.
- [Visual Acuity Testing (Snellen Chart)](https://clinideck.com/visual-acuity-testing-snellen-chart/): Assess binocular and monocular visual acuity.
- [Webster Rating Scale for Parkinson’s Disease](https://clinideck.com/webster-rating-scale-for-parkinsons-disease/): Quantifies degree of disability in Parkinson’s disease.
- [Wells' Criteria for DVT](https://clinideck.com/wells-criteria-for-dvt/): Calculates risk of DVT based on clinical criteria.
- [Wells' Criteria for Pulmonary Embolism](https://clinideck.com/wells-criteria-for-pulmonary-embolism/): Objectifies risk of pulmonary embolism.
- [West Haven Criteria](https://clinideck.com/west-haven-criteria/): Defines criteria for the stages of hepatic encephalopathy.
- [Westley Croup Score](https://clinideck.com/westley-croup-score/): Quantifies croup severity (although mainly used for research, not clinically).
- [Wexner Score for Obstructed Defecation Syndrome (ODS)](https://clinideck.com/wexner-score-for-obstructed-defecation-syndrome-ods/): Stratifies severity of fecal incontinence.
- [Winters' Formula for Metabolic Acidosis Compensation](https://clinideck.com/winters-formula-for-metabolic-acidosis-compensation/): Calculates the expected pCO₂ compensation in a purely metabolic acidosis.
- [Withdrawal Assessment Tool (WAT-1) for Pediatric Withdrawal](https://clinideck.com/withdrawal-assessment-tool-wat-1-for-pediatric-withdrawal/): Estimates severity of opioid and benzodiazepine withdrawal in children.
- [Wound Closure Classification](https://clinideck.com/wound-closure-classification/): Classifies types of wound closure.
- [WPSS (WHO classification-based Prognostic Scoring System) for Myelodysplastic Syndrome](https://clinideck.com/wpss-who-classification-based-prognostic-scoring-system-for-myelodysplastic-syndrome/): Evaluates prognosis of patients with myelodysplastic syndrome (MDS).
- [YEARS Algorithm for Pulmonary Embolism (PE)](https://clinideck.com/years-algorithm-for-pulmonary-embolism-pe/): Helps rule out pulmonary embolism; also validated in pregnant patients with clinically suspected PE.

## Radiology References

- [Normal Abdominal Lymph Node Size on CT and MRI](https://clinideck.com/normal-abdominal-lymph-node-size-ct-mri/): Reference guide for normal abdominal lymph node size thresholds by location on CT and MRI, including porta hepatis, paraaortic, and mesenteric stations.
- [Normal Acetabular Angle Size in Boys: X-Ray & CT](https://clinideck.com/acetabular-angle-boys-normal-radiography/): Normal acetabular angle values in boys from newborn to age 2, measured on anteroposterior radiography, with clinical thresholds for developmental dysplasia.
- [Normal Acetabular Angle Size in Girls: Radiography & CT](https://clinideck.com/acetabular-angle-girls-normal-radiography/): Normal acetabular angle values in girls from newborn to age 2, measured on AP radiography, with clinical thresholds for developmental dysplasia of the hip.
- [Normal Achilles Tendon Width Size on Radiography, Ultrasound, CT & MRI](https://clinideck.com/normal-achilles-tendon-width-imaging/): Normal Achilles tendon width measures 4–9 mm on lateral imaging; values outside this range suggest tendinopathy, partial tear, or rupture.
- [Normal Acromioclavicular Joint Space Size on Radiography](https://clinideck.com/acromioclavicular-joint-space-normal-radiography/): Normal acromioclavicular joint space measures less than 2–4 mm side-to-side difference on AP radiography, aiding detection of AC joint injury.
- [Normal Acromiohumeral Distance Size on Radiography](https://clinideck.com/acromiohumeral-distance-radiography/): Learn the normal acromiohumeral distance on AP shoulder radiography and how values below 7 mm indicate rotator cuff pathology.
- [Normal Acromiohumeral Distance Size on Radiography](https://clinideck.com/acromiohumeral-distance-normal-radiography/): Normal acromiohumeral distance on AP shoulder radiography measures 7–11 mm; values below 7 mm suggest rotator cuff pathology.
- [Normal Adenoid Size on Radiography: Key Measurements](https://clinideck.com/normal-adenoid-size-radiography/): Learn the normal adenoid maximal size on lateral radiography, clinical significance of enlargement, and measurement technique in pediatric imaging.
- [Normal Adrenal Gland Arm Thickness Size on CT and MRI](https://clinideck.com/adrenal-gland-arm-thickness-ct-mri/): Normal adrenal gland arm thickness measures less than 3 mm on CT and MRI; values above this threshold raise concern for adrenal pathology.
- [Normal Amniotic Fluid Index Size on Ultrasound](https://clinideck.com/amniotic-fluid-index-polyhydramnios-ultrasound/): Learn the ultrasound threshold for polyhydramnios: an amniotic fluid index (AFI) greater than 25 cm defines abnormal amniotic fluid volume in pregnancy.
- [Normal Amniotic Fluid Index Size on Ultrasound >24 Weeks](https://clinideck.com/amniotic-fluid-index-oligohydramnios-ultrasound/): Learn the normal amniotic fluid index (AFI) threshold on ultrasound after 24 weeks and the clinical significance of AFI below 5 cm.
- [Normal Anterior Drawer Sign Size on Radiography](https://clinideck.com/anterior-drawer-sign-ankle-radiography/): Learn the normal threshold for the anterior drawer sign on lateral ankle radiography, its clinical significance, and measurement technique for ATFL instability.
- [Normal Anterior Junction Line Thickness on Radiography](https://clinideck.com/anterior-junction-line-thickness-radiography/): The normal anterior junction line on PA chest radiography measures less than 1 mm; thickening or displacement suggests mediastinal pathology.
- [Normal Anterior Pituitary Size on CT and MRI](https://clinideck.com/anterior-pituitary-normal-size-mri-ct/): Normal anterior pituitary anteroposterior diameter varies by age and physiologic state, ranging from <6 mm in children to <12 mm in pregnancy on MRI and CT.
- [Normal Aortic Diameter Size on Ultrasound, CT & MRI](https://clinideck.com/normal-aortic-diameter-ultrasound-ct-mri/): Reference guide to normal aortic diameter measurements by segment on ultrasound, CT, and MRI, based on EAE clinical practice recommendations.
- [Normal Aortic Nipple Diameter on Chest Radiography](https://clinideck.com/normal-aortic-nipple-diameter-radiography/): Normal aortic nipple maximal diameter is less than 4.5 mm on PA chest radiography; larger measurements may indicate venous or vascular pathology.
- [Normal Appendix Wall Thickness on Ultrasound, CT & MRI](https://clinideck.com/normal-appendix-wall-thickness-ultrasound-ct-mri/): Normal vermiform appendix wall thickness measures less than 3 mm on ultrasound, CT, and MRI — a key threshold for excluding appendicitis.
- [Normal Aryepiglottic Fold Thickness on Radiography](https://clinideck.com/normal-aryepiglottic-fold-thickness-radiography/): Normal maximal aryepiglottic fold thickness on lateral radiography is 7 mm — a key measurement for diagnosing epiglottitis and supraglottic airway pathology.
- [Normal Atlanto-Temporomandibular Index Size on Radiography, CT, MRI](https://clinideck.com/atlanto-temporomandibular-index-normal-size/): The atlanto-temporomandibular index normal value exceeds 22 mm on lateral imaging, serving as a key marker for craniocervical instability assessment.
- [Normal Azygos Vein Arch Size on Chest Radiography](https://clinideck.com/normal-azygos-vein-arch-radiography/): Normal azygos vein arch diameter is less than 7 mm on posteroanterior chest radiography, with enlargement indicating cardiovascular or systemic disease.
- [Normal Azygos Vein Arch Size on Radiography in Children](https://clinideck.com/normal-azygos-vein-arch-radiography-children/): Reference values for normal azygos vein arch diameter on chest radiography in children aged 0–14 years, with clinical significance and measurement technique.
- [Normal Bernageau Length Size on Radiography](https://clinideck.com/bernageau-length-knee-radiography/): Normal Bernageau length ranges from -6 to +6 mm on lateral knee radiography, a key measurement for assessing patellar height and patellofemoral alignment.
- [Normal Blackburne-Peel Index Size on Radiography](https://clinideck.com/blackburne-peel-index-knee-radiography/): The normal Blackburne-Peel Index on lateral knee radiography ranges from 0.5 to 1.0, serving as a key measure of patellar height.
- [Normal Bladder Wall Thickness on Ultrasound, MRI & CT](https://clinideck.com/normal-bladder-wall-thickness-ultrasound-mri-ct/): Normal bladder wall thickness is <3 mm when distended and <5 mm when non-distended on ultrasound, MRI, and CT imaging.
- [Normal Böhler's Angle Size on Radiography and CT](https://clinideck.com/bohler-angle-normal-radiography-ct/): Normal Böhler's angle measures 25–40° on lateral radiography and CT, serving as a key indicator of calcaneal fracture depression and alignment.
- [Normal Boogaard's Angle Size on X-ray, CT & MRI](https://clinideck.com/normal-boogaards-angle-cervical-radiography-ct-mri/): Normal Boogaard's angle measures less than 135° on lateral imaging; values at or above this threshold suggest basilar invagination or platybasia.
- [Normal Bouman's Index No 1 Size on Radiography](https://clinideck.com/boumans-index-no1-ulnar-translation-radiography/): Normal Bouman's Index No 1 ranges from 0.83–0.91 on posteroanterior radiography, serving as a key measure of ulnar carpal translation.
- [Normal Bouman's Index No 2 Carpal Height on Radiography](https://clinideck.com/boumans-index-2-carpal-height-radiography/): Normal Bouman's Index No 2 for carpal height on posteroanterior radiography ranges from 0.62 to 0.66, a key ratio for assessing wrist collapse.
- [Normal Bronchus Intermedius Posterior Wall Thickness on Radiography](https://clinideck.com/bronchus-intermedius-posterior-wall-radiography/): Normal bronchus intermedius posterior wall thickness on lateral chest radiography is less than 3 mm — a key landmark for detecting mediastinal and pulmonary pathology.
- [Normal Bull's Angle Size on X-ray, CT & MRI](https://clinideck.com/normal-bulls-angle-cervical-radiography-ct-mri/): Normal Bull's angle of the cervical spine measures less than 13° on lateral radiography, CT, and MRI, serving as a key indicator of atlantoaxial instability.
- [Normal Caecum Size on Radiography and CT: <9 cm](https://clinideck.com/normal-caecum-size-radiography-ct/): The normal caecum measures less than 9 cm in anteroposterior diameter on radiography and CT; exceeding this threshold indicates clinically significant distension.
- [Normal Calcaneal Pitch Angle Size on Radiography](https://clinideck.com/normal-calcaneal-pitch-radiography/): Normal calcaneal pitch on lateral foot radiography ranges from 10–30°, a key measurement for evaluating flatfoot and cavus deformities.
- [Normal Calcaneal-Fifth Metatarsal Angle Size on Radiography](https://clinideck.com/calcaneal-fifth-metatarsal-angle-radiography/): Reference values for the normal calcaneal–fifth metatarsal angle on AP foot radiography across pediatric age groups, from newborn to age 9.
- [Normal Calcaneus–2nd Metatarsal Angle Size on Radiography](https://clinideck.com/calcaneus-2nd-metatarsal-angle-radiography/): Normal calcaneus–2nd metatarsal angle on AP radiography measures 12–18°, a key landmark for assessing hindfoot and forefoot alignment.
- [Normal Capitolunate Angle Size on Radiography](https://clinideck.com/normal-capitolunate-angle-radiography/): Normal capitolunate angle on lateral wrist radiography ranges from -15° to 15°, a key measure for detecting carpal instability.
- [Normal Cardiac Diameter Size on Chest Radiography](https://clinideck.com/normal-cardiac-diameter-chest-radiography/): Reference values for normal cardiac diameter on chest radiography in adults and children aged 4–16, including transverse and posteroanterior measurements.
- [Normal Cardiothoracic Index Size on Radiography](https://clinideck.com/normal-cardiothoracic-index-radiography/): Reference values for the normal cardiothoracic index on chest radiography across all age groups, from neonates to adults.
- [Normal Carina Angle Size on Chest Radiography](https://clinideck.com/normal-carina-angle-chest-radiography/): The normal carina angle on posteroanterior chest radiography measures 40–80°, with widening suggesting left atrial or subcarinal pathology.
- [Normal Carpometacarpal Joint Space Size on Radiography](https://clinideck.com/carpometacarpal-joint-space-radiography/): Normal carpometacarpal joint space measures 1–2 mm on radiography; learn measurement technique, clinical significance, and common pathology.
- [Normal Caton-Deschamps Index Size on Radiography](https://clinideck.com/caton-deschamps-index-normal-radiography/): Normal Caton-Deschamps Index on lateral knee radiography ranges from 0.6 to 1.2, guiding diagnosis of patella alta and baja.
- [Normal Central Venous Catheter Tip Position on Radiography](https://clinideck.com/central-venous-catheter-tip-position-radiography/): Normal central venous catheter tip position on chest radiography is at the superior vena cava–right atrium junction, as per Critical Care Radiology guidelines.
- [Normal Cephalic Index Size on Obstetric Ultrasound](https://clinideck.com/normal-cephalic-index-obstetric-ultrasound/): The normal fetal cephalic index ranges from 75–85 on obstetric ultrasound, helping detect head shape abnormalities that affect biometric accuracy.
- [Normal Cerebellar Tonsil Position Size on CT and MRI](https://clinideck.com/normal-cerebellar-tonsil-size-ct-mri/): Normal cerebellar tonsils sit less than 3 mm below the foramen magnum on MRI and CT — a key threshold for diagnosing Chiari malformation.
- [Normal Cerebral Artery Diameter on Angiography](https://clinideck.com/normal-cerebral-artery-diameter-angiography/): Reference values for normal cerebral artery diameter on angiography, including anterior, middle, and posterior cerebral arteries in adults.
- [Normal Cervical Basal Angle Size on X-ray, CT & MRI](https://clinideck.com/normal-cervical-basal-angle-radiography-ct-mri/): Normal cervical basal angle ranges from 125–143° on lateral imaging; values outside this range may indicate platybasia or craniovertebral junction anomalies.
- [Normal Cervical Interspinous Distance Size on Radiography, CT, MRI](https://clinideck.com/cervical-interspinous-distance-normal-size/): Normal cervical interspinous distance should be less than 1.5× the mean interspinous distance — a key radiologic marker for ligamentous injury.
- [Normal Cervical Length in Pregnancy: Ultrasound Reference](https://clinideck.com/normal-cervical-length-pregnancy-ultrasound/): Normal cervical length before 36 weeks gestation is greater than 3 cm on ultrasound; shorter measurements indicate increased risk of preterm labor.
- [Normal Cervical Lymph Node Size on CT, MRI & Ultrasound](https://clinideck.com/cervical-lymph-node-size-ct-mri-ultrasound/): Reference thresholds for pathological cervical lymph node enlargement by level on CT, MRI, and ultrasound in head and neck imaging.
- [Normal Cervical Lymph Node Size on Ultrasound, CT & MRI](https://clinideck.com/cervical-lymph-node-size-ct-mri-ultrasound-2/): Learn the pathological enlargement thresholds for cervical lymph nodes by level on ultrasound, CT, and MRI, based on evidence-based radiology criteria.
- [Normal Cervical Posterior Line Alignment on X-ray, CT, MRI](https://clinideck.com/cervical-posterior-line-normal-alignment/): Normal cervical posterior line displacement is less than 2 mm on lateral radiography, CT, and MRI — a key marker for detecting instability.
- [Normal Cervical Wedge Compression Fracture Size on X-Ray & CT](https://clinideck.com/cervical-wedge-compression-fracture-normal-size/): Normal cervical wedge compression fracture threshold: posterior-to-anterior vertebral height difference less than 3 mm on lateral radiography and CT.
- [Normal CFL/ATFL Angle Size on MRI: Reference Values](https://clinideck.com/normal-cfl-atfl-angle-mri/): The normal CFL/ATFL angle on MRI ranges from 70° to 140°, a key measurement for assessing lateral ankle ligament anatomy and injury.
- [Normal Chamay's Translation Index Size on Radiography](https://clinideck.com/chamay-translation-index-wrist-radiography/): Normal Chamay's Translation index on posteroanterior wrist radiography ranges from 0.25 to 0.31, a key metric for assessing carpal ulnar translation.
- [Normal Chamberlain's Line Measurement: X-Ray, CT & MRI](https://clinideck.com/chamberlains-line-normal-measurement-cervical/): Normal Chamberlain's line measures less than 3 mm odontoid tip projection on lateral radiography, CT, and MRI for craniovertebral junction assessment.
- [Normal Cochlear Bud Size on CT and MRI: Key Reference](https://clinideck.com/normal-cochlear-bud-size-ct-mri/): Normal cochlear bud diameter measures 1–3 mm on axial CT and MRI, a critical landmark when evaluating congenital sensorineural hearing loss in children.
- [Normal Colon Diameter Size on Radiography and CT](https://clinideck.com/normal-colon-diameter-radiography-ct/): Normal colonic diameter is less than 6 cm on radiography and CT; values above this threshold indicate significant dilation requiring prompt evaluation.
- [Normal Colon Wall Thickness on Ultrasound and CT](https://clinideck.com/normal-colon-wall-thickness-ct-ultrasound/): Normal colon wall thickness measures less than 3–5 mm on CT and ultrasound; values above this threshold suggest pathology requiring further evaluation.
- [Normal Common Bile Duct Diameter by Age: Ultrasound](https://clinideck.com/common-bile-duct-diameter-pediatric-ultrasound/): Reference values for normal common bile duct maximal diameter on ultrasound in pediatric patients, from neonates through adolescence.
- [Normal Common Bile Duct Diameter on Cholangiography](https://clinideck.com/common-bile-duct-diameter-cholangiography-pediatric/): Reference values for normal common bile duct maximal diameter on cholangiography in children aged 0–14 years, based on Witcombe & Cremin 1978.
- [Normal Common Bile Duct Size on CT, MRI & Ultrasound](https://clinideck.com/normal-common-bile-duct-size-ct-mri-ultrasound/): Normal common bile duct diameter is <6 mm without cholecystectomy and <10 mm post-cholecystectomy on CT, MRI, and ultrasound.
- [Normal Common Cavity Inner Ear Size on CT](https://clinideck.com/normal-common-cavity-inner-ear-ct/): Normal CT dimensions of the common cavity inner ear malformation: average vertical diameter 4 mm and horizontal diameter 10 mm in axial plane.
- [Normal Common Hepatic Duct Size on Ultrasound, CT & MRI](https://clinideck.com/normal-common-hepatic-duct-size/): The normal common hepatic duct measures less than 5 mm in diameter on ultrasound, CT, and MRI in adults without biliary pathology.
- [Normal Common Iliac Artery Diameter: Ultrasound, CT & MRI](https://clinideck.com/normal-common-iliac-artery-diameter/): Normal common iliac artery diameter ranges 7.9–12.1 mm on axial imaging; learn measurement technique and clinical thresholds across ultrasound, CT, and MRI.
- [Normal Coracoclavicular Distance Size on Radiography](https://clinideck.com/coracoclavicular-distance-normal-radiography/): Normal coracoclavicular distance on AP radiography measures 11–13 mm, with a side-to-side difference of less than 5 mm indicating ligamentous integrity.
- [Normal Descending Right Pulmonary Artery Size on Radiography](https://clinideck.com/descending-right-pulmonary-artery-radiography/): Normal descending right pulmonary artery diameter on PA chest radiograph is up to 16 mm — a key landmark for detecting pulmonary hypertension.
- [Normal Diaphragm Flattening Size on Chest Radiography](https://clinideck.com/normal-diaphragm-flattening-chest-radiography/): Normal diaphragm flattening on PA chest radiography measures less than 1.5 cm, serving as a key indicator of pulmonary hyperinflation.
- [Normal Digastric Line Cervical Measurements on X-ray, CT, MRI](https://clinideck.com/digastric-line-cervical-normal-measurements/): Learn normal digastric line thresholds for atlanto-occipital and odontoid distances on radiography, CT, and MRI in cervical spine assessment.
- [Normal Distal Tibial Angle Size on Radiography](https://clinideck.com/normal-distal-tibial-angle-radiography/): Normal distal tibial angle on AP and mortise radiography ranges from 45–65°, a key measure for ankle alignment assessment.
- [Normal Djian-Annonier's Angle Size on Radiography](https://clinideck.com/djian-annonier-angle-normal-radiography/): Normal Djian-Annonier's angle on lateral foot radiography measures 120–130°, a key reference for assessing foot arch morphology.
- [Normal Dublin's Distance Size: Radiography, CT & MRI](https://clinideck.com/dublins-distance-cervical-normal-values/): Normal Dublin's Distance ranges 2–5 mm (mandible–atlas) and 9–12 mm (mandible–axis) on lateral cervical imaging across radiography, CT, and MRI.
- [Normal Duct of Wirsung Diameter: Ultrasound, CT & MRI](https://clinideck.com/duct-wirsung-normal-diameter-imaging/): Normal Duct of Wirsung diameter is <3 mm at the pancreatic head and <2 mm in the body/tail on ultrasound, CT, MRI, and cholangiography.
- [Normal Elbow Carrying Angle Size on Radiography](https://clinideck.com/elbow-carrying-angle-normal-radiography/): Normal elbow carrying angle on radiography measures 154–178°, with deviations indicating cubitus valgus or varus deformity in clinical practice.
- [Normal Elbow Joint Space Size on Radiography](https://clinideck.com/normal-elbow-joint-space-radiography/): Normal elbow joint space measures up to 3 mm on lateral radiography; values exceeding this threshold may indicate effusion or joint pathology.
- [Normal Endometrium Thickness on Ultrasound and MRI](https://clinideck.com/normal-endometrium-thickness-ultrasound-mri/): Reference guide to normal endometrial thickness by menopausal status on ultrasound and MRI, with clinical thresholds for workup.
- [Normal Endotracheal Tube Position on Chest Radiography](https://clinideck.com/endotracheal-tube-normal-position-radiography/): Normal endotracheal tube tip position on chest radiography is 3–5 cm above the carina, minimizing risks of endobronchial intubation or accidental extubation.
- [Normal Epididymis Resistance Index on Ultrasound](https://clinideck.com/epididymis-resistance-index-ultrasound/): Normal epididymis resistance index on Doppler ultrasound ranges from 0.46 to 0.68, a key parameter for evaluating scrotal pathology.
- [Normal Epididymis Size on Ultrasound: Key Dimensions](https://clinideck.com/normal-epididymis-size-ultrasound/): Reference guide to normal epididymis dimensions on scrotal ultrasound, including head, body, and tail measurements for clinical practice.
- [Normal Esophageal Diameter in Children: Barium Swallow](https://clinideck.com/normal-esophageal-diameter-children-barium-swallow/): Reference values for normal esophageal maximal diameter on barium swallow in pediatric patients, from neonates through adolescents aged 16 years.
- [Normal Esophageal Wall Thickness on CT: Key Reference](https://clinideck.com/normal-esophageal-wall-thickness-ct/): Normal esophageal wall thickness on CT is less than 5 mm; values exceeding this threshold warrant further evaluation for pathology.
- [Normal Fallopian Tube Size on Ultrasound, CT & MRI](https://clinideck.com/normal-fallopian-tube-dimensions-imaging/): Normal fallopian tube length is <14 cm and diameter <4 mm; learn measurement techniques across ultrasound, CT, MRI, and hysterosalpingography.
- [Normal Feeding Tube Position on Radiography](https://clinideck.com/feeding-tube-normal-position-radiography/): Normal nasogastric feeding tube tip should lie >10 cm beyond the gastroesophageal junction on radiography to confirm safe gastric placement.
- [Normal Femoral Angle Size on Radiography and MRI](https://clinideck.com/normal-femoral-angle-radiography-mri/): Normal femoral angle at the knee measures 75–85° on AP radiography; learn measurement technique, clinical significance, and common pathologies.
- [Normal Femoral Artery Diameter on Ultrasound, CT & MRI](https://clinideck.com/normal-femoral-artery-diameter-ultrasound-ct-mri/): Reference values for normal femoral artery diameter on ultrasound, CT, and MRI: common femoral 6.6–9.6 mm, superficial femoral 4.3–7.2 mm.
- [Normal Femoral Artery Peak Systolic Velocity on Ultrasound](https://clinideck.com/femoral-artery-peak-systolic-velocity-ultrasound/): Normal femoral artery peak systolic velocity ranges 89–141 cm/s (common) and 77–108 cm/s (superficial) on duplex ultrasound.
- [Normal Femoral Intercondylar Sulcus Depth Size on Radiography](https://clinideck.com/femoral-intercondylar-sulcus-depth-radiography/): Normal femoral intercondylar sulcus depth on sunrise radiography measures greater than 5 mm; shallowing is a key marker of trochlear dysplasia.
- [Normal Femoral Neck Anteversion by Age: X-ray, CT, MRI](https://clinideck.com/femoral-neck-anteversion-normal-values/): Normal femoral neck anteversion decreases from 30–50° at birth to ~18° in adults; learn measurement thresholds across radiography, CT, and MRI.
- [Normal Femoral Neck Torsion Angle Size on CT](https://clinideck.com/femoral-neck-torsion-angle-ct/): Normal femoral neck torsion angle on CT ranges from 34–40° in newborns, with values declining through childhood into adulthood.
- [Normal Femoropatellar Joint Space Size on Radiography](https://clinideck.com/femoropatellar-joint-space-radiography/): Normal femoropatellar joint space measures greater than 5 mm on sunrise radiograph — a key threshold for detecting patellofemoral pathology.
- [Normal Fetal Heart/Thorax Area Ratio Size on Ultrasound](https://clinideck.com/fetal-heart-thorax-area-ratio-ultrasound/): Normal fetal heart/thorax area ratio on ultrasound measures 0.2–0.35, a key four-chamber view parameter for detecting cardiomegaly or small heart.
- [Normal Fetal Heart/Thorax Circumference Ratio Ultrasound](https://clinideck.com/fetal-heart-thorax-circumference-ratio-ultrasound/): Normal fetal heart circumference to thorax circumference ratio is less than 0.5 on ultrasound, a key marker for cardiomegaly assessment.
- [Normal Fetal Lateral Ventricle Diameter Size on Ultrasound](https://clinideck.com/fetal-lateral-ventricle-diameter-ultrasound/): Normal fetal lateral ventricle diameter measures less than 10 mm on coronal ultrasound — a key threshold for detecting ventriculomegaly in obstetric imaging.
- [Normal Fetal Renal Pelvis Diameter Size on Ultrasound](https://clinideck.com/fetal-renal-pelvis-diameter-ultrasound/): Normal fetal renal pelvis diameter is <4 mm before 32 weeks and <7 mm after 32 weeks on prenatal ultrasound, guiding hydronephrosis assessment.
- [Normal Fetal Thorax/Abdomen Circumference Ratio on Ultrasound](https://clinideck.com/fetal-thorax-abdomen-circumference-ratio-ultrasound-2/): Normal fetal thorax-to-abdomen circumference ratio is >0.77 on ultrasound, a key marker for detecting thoracic hypoplasia and lethal skeletal dysplasias.
- [Normal Fibular Angle Size on Radiography](https://clinideck.com/normal-fibular-angle-radiography/): Normal fibular angle on AP and mortise ankle radiographs ranges from 43° to 63°, a key measurement for assessing fibular length and ankle stability.
- [Normal Filum Terminale Size on Ultrasound and MRI](https://clinideck.com/filum-terminale-normal-size-ultrasound-mri/): Normal filum terminale diameter is less than 2 mm on ultrasound and MRI; values at or above this threshold suggest a thickened filum and possible tethered cord.
- [Normal First Metatarsal Declination Angle Size on Radiography](https://clinideck.com/first-metatarsal-declination-angle-radiography/): The normal first metatarsal declination angle is 21° on lateral radiography, a key measurement for evaluating forefoot biomechanics and deformity.
- [Normal Fischgold's Bimastoid Line Size on X-ray, CT, MRI](https://clinideck.com/fischgolds-bimastoid-line-normal-measurement/): Normal Fischgold's bimastoid line measurement: the odontoid tip should lie less than 10 mm above this craniometric line on X-ray, CT, or MRI.
- [Normal Fourth Ventricle Size on Ultrasound MRI CT: Neonates](https://clinideck.com/fourth-ventricle-size-newborn-imaging/): Normal fourth ventricle sagittal diameter measures 4 mm in newborns on ultrasound, MRI, and CT—key reference for neonatal neuroimaging.
- [Normal Fowler-Philips Angle Size on Radiography](https://clinideck.com/fowler-philips-angle-normal-radiography/): The normal Fowler-Philips angle measures 45–75° on lateral foot radiography, a key parameter for assessing Haglund deformity and heel pathology.
- [Normal Gallbladder Diameter & Size on Ultrasound](https://clinideck.com/normal-gallbladder-diameter-ultrasound/): Reference values for normal gallbladder diameter and dimensions on ultrasound in adults and children, with clinical thresholds and measurement technique pearls.
- [Normal Gallbladder Wall Thickness on Ultrasound](https://clinideck.com/gallbladder-wall-thickness-ultrasound/): Normal gallbladder wall thickness on ultrasound is under 3 mm in adults and varies by age in pediatric patients, aiding detection of cholecystitis and other pathology.
- [Normal Gastric Band Size on Fluoroscopy & Radiography](https://clinideck.com/gastric-band-normal-size-fluoroscopy-radiography/): Learn the normal gastric band measurements on fluoroscopy and radiography, including the >5 mm threshold that signals clinically significant slippage or obstruction.
- [Normal Gastric Distension Size on Radiography](https://clinideck.com/gastric-distension-size-radiography/): Learn the normal and abnormal thresholds for gastric distension on plain radiography, including clinical implications and measurement technique.
- [Normal Gestational Sac Diameter Size on Ultrasound](https://clinideck.com/gestational-sac-diameter-ultrasound/): Normal gestational sac diameter on ultrasound follows the Age − 30 mm rule in the first trimester, with key thresholds guiding early pregnancy assessment.
- [Normal Gissane Critical Angle Size on Radiography](https://clinideck.com/gissane-critical-angle-normal-radiography/): Normal Gissane critical angle on lateral radiograph measures 120–145°, a key calcaneal landmark for detecting intra-articular fractures.
- [Normal Glenohumeral Joint Space Size on Radiography](https://clinideck.com/glenohumeral-joint-space-normal-radiography/): Normal glenohumeral joint space measures 4–5 mm on AP radiography; values outside this range suggest arthritis, effusion, or instability.
- [Normal Haller Index: CT Measurement for Pectus Excavatum](https://clinideck.com/haller-index-ct-pectus-excavatum/): Normal Haller Index on CT is less than 2.5; values ≥3.25 typically indicate surgical correction for pectus excavatum.
- [Normal Hallux Valgus Angle Size on Radiography](https://clinideck.com/hallux-valgus-angle-radiography/): Learn the normal and abnormal hallux valgus angle on weight-bearing AP radiography, with clinical thresholds and measurement technique pearls.
- [Normal Harris Line Measurements: Cervical Radiography, CT, MRI](https://clinideck.com/harris-line-normal-cervical-measurements/): Normal Harris line measurements include basion-odontoid and basion-posterior axial line distances of less than 12 mm on lateral cervical imaging.
- [Normal Heel Pad Thickness on Radiography](https://clinideck.com/normal-heel-pad-thickness-radiography/): Normal heel pad thickness on lateral radiograph measures less than 23 mm; values above this threshold suggest acromegaly or systemic pathology.
- [Normal Hibbs Angle Size on Radiography: Foot Reference](https://clinideck.com/normal-hibbs-angle-radiography-foot/): The normal Hibbs angle on lateral foot radiography is 130°, a key measurement for assessing forefoot and hindfoot alignment in clinical practice.
- [Normal Hilgenreiner's Epiphyseal Angle Size on Radiography](https://clinideck.com/hilgenreiner-epiphyseal-angle-hip-radiography/): Normal Hilgenreiner's epiphyseal angle measures less than 60° on AP pelvis radiography, a key threshold in pediatric hip dysplasia assessment.
- [Normal Hip Alpha Angle Size on MRI: Reference Guide](https://clinideck.com/normal-hip-alpha-angle-mri/): The normal hip alpha angle on MRI is less than 55°; values at or above this threshold indicate cam-type femoroacetabular impingement.
- [Normal Hip Alpha Angle Size on Ultrasound](https://clinideck.com/hip-alpha-angle-ultrasound-normal/): Learn the normal hip alpha angle threshold on ultrasound, its clinical significance in developmental dysplasia of the hip, and measurement technique pearls.
- [Normal Hip Neck Shaft Angle Size on Radiography](https://clinideck.com/hip-neck-shaft-angle-radiography/): Normal hip neck shaft angle measures 110–140° on AP radiography, with deviations indicating coxa vara or valga and guiding orthopedic management.
- [Normal Hip Teardrop Distance Size on Radiography](https://clinideck.com/hip-teardrop-distance-radiography/): Normal hip teardrop distance on AP radiography measures 6–11 mm, a key landmark for detecting joint effusion and femoral head migration.
- [Normal Humeral Angle Size on Radiography](https://clinideck.com/normal-humeral-angle-radiography/): Normal humeral angle on lateral elbow radiography measures 72–95°, a key parameter for detecting distal humeral fractures and malalignment.
- [Normal Hydronephrosis Grading: CT, MRI & Ultrasound](https://clinideck.com/hydronephrosis-grading-ct-mri-ultrasound/): Learn the standard 0–4 hydronephrosis grading system on CT, MRI, and ultrasound, including key imaging findings and clinical thresholds for each grade.
- [Normal Inferior Vena Cava Diameter on Ultrasound and CT](https://clinideck.com/inferior-vena-cava-diameter-ultrasound-ct/): The normal average inferior vena cava diameter is 20 mm on ultrasound and CT, a key threshold for filter sizing and hemodynamic assessment.
- [Normal Insall-Salvati Ratio Size on Radiography](https://clinideck.com/insall-salvati-ratio-knee-radiography/): Normal Insall-Salvati ratio on lateral knee radiography ranges from 0.8–1.2, with values outside this range indicating patella alta or baja.
- [Normal Intercarpal Joint Space Size on Radiography](https://clinideck.com/intercarpal-joint-space-normal-radiography/): Normal intercarpal joint space measures 1.5–2.0 mm on PA and lateral radiographs — a key reference for detecting carpal instability and arthritis.
- [Normal Intermetatarsal Angle Size on Radiography](https://clinideck.com/normal-intermetatarsal-angle-radiography/): Normal intermetatarsal angle values on AP radiography: <9° for 1st–2nd and <8° for 4th–5th metatarsals in foot alignment assessment.
- [Normal Internal Auditory Canal Size on CT and MRI](https://clinideck.com/internal-auditory-canal-normal-size-ct-mri/): Normal internal auditory canal diameter measures 4–8 mm on axial CT and MRI; values below 2 mm indicate stenosis with clinical significance.
- [Normal Internal Carotid Artery Diameter on Angiography](https://clinideck.com/internal-carotid-artery-diameter-angiography/): Normal internal carotid artery diameter values by segment on angiography, from the cervical to clinoid segment, based on established reference data.
- [Normal Internal Carotid Artery Stenosis Grading on Ultrasound](https://clinideck.com/internal-carotid-artery-stenosis-ultrasound/): Learn the Society of Radiologists in Ultrasound consensus criteria for grading internal carotid artery stenosis by Doppler ultrasound, including PSV, EDV, and ICA/CCA ratios.
- [Normal Interphalangeal Joint Space Size on Radiography](https://clinideck.com/interphalangeal-joint-space-radiography/): Normal interphalangeal joint space of the foot measures 1–2 mm on radiography; deviations indicate arthritis or injury requiring clinical correlation.
- [Normal Interphalangeal Joint Space Size on Radiography](https://clinideck.com/interphalangeal-joint-space-normal-radiography/): Normal interphalangeal joint space measures 1–2 mm on PA and lateral radiographs; deviations indicate arthritis, injury, or effusion.
- [Normal Intertarsal Joint Space Size on Radiography](https://clinideck.com/intertarsal-joint-space-normal-radiography/): Normal intertarsal joint space measures 2.0–2.5 mm on radiography; deviations may indicate arthritis, ligamentous injury, or coalition.
- [Normal Intrahepatic Duct Size on Ultrasound, CT & MRI](https://clinideck.com/normal-intrahepatic-duct-size-ultrasound-ct-mri/): Normal intrahepatic bile ducts measure less than 2 mm in diameter; values exceeding this threshold suggest biliary dilatation requiring clinical correlation.
- [Normal Johnson Angle Size on Radiography: Foot & Ankle](https://clinideck.com/johnson-angle-normal-radiography-ankle/): The normal Johnson angle measures 92° on AP mortise radiography, a key reference for assessing tibiotalar alignment and ankle pathology.
- [Normal Kager's Triangle Size on Radiography](https://clinideck.com/kagers-triangle-normal-radiography/): Learn the normal radiographic appearance of Kager's triangle, a key fat-pad space on lateral ankle X-ray used to detect Achilles tendon pathology.
- [Normal Kidney Cortex Thickness on Ultrasound and CT](https://clinideck.com/normal-kidney-cortex-thickness-ultrasound-ct/): Normal renal cortex thickness ranges from 2.6–10.6 mm on CT and ultrasound; learn measurement technique, clinical thresholds, and key pathologies.
- [Normal Kidney Diameter Size on Ultrasound, CT & MRI](https://clinideck.com/normal-kidney-diameter-ultrasound-ct-mri/): Normal kidney diameter ranges 9–13.5 cm depending on side; learn measurement thresholds across ultrasound, CT, and MRI for clinical practice.
- [Normal Kidney Parenchyma Thickness on Ultrasound & CT](https://clinideck.com/normal-kidney-parenchyma-thickness-ct-ultrasound/): Normal renal parenchymal thickness ranges 9.8–21.2 mm on CT and ultrasound; learn measurement technique and clinical thresholds for abnormal findings.
- [Normal Kidney Size Discrepancy: Ultrasound & CT Reference](https://clinideck.com/kidney-size-discrepancy-ultrasound-ct/): Normal maximal diameter discrepancy between left and right kidneys is ≤1.5 cm on ultrasound and CT, per large MDCT reference data.
- [Normal Klaus Index Size on X-ray, CT & MRI](https://clinideck.com/normal-klaus-index-cervical-radiography-ct-mri/): The normal Klaus Index measures >30 mm on lateral cervical imaging, helping clinicians detect basilar invagination on X-ray, CT, and MRI.
- [Normal Knee Joint Space Width on Radiography and MRI](https://clinideck.com/normal-knee-joint-space-width-radiography-mri/): Normal knee joint space width measures 3–5 mm on anteroposterior radiography, a key threshold for detecting cartilage loss and osteoarthritis.
- [Normal Lateral Acetabular Inclination Angle Size Radiography](https://clinideck.com/lateral-acetabular-inclination-angle-radiography/): Normal lateral acetabular inclination angle on AP radiography ranges 30–50°, a key measure for assessing hip joint congruency and stability.
- [Normal Lateral Recess Height Size on CT and MRI](https://clinideck.com/lateral-recess-height-ct-mri/): Normal lateral recess height measures greater than 2 mm on CT and MRI; values at or below this threshold indicate stenosis requiring clinical correlation.
- [Normal Lateral Trochlear Inclination Size on MRI](https://clinideck.com/lateral-trochlear-inclination-mri-knee/): Normal lateral trochlear inclination on MRI measures greater than 11°, a key threshold for assessing patellar instability and trochlear dysplasia.
- [Normal Lateral Ventricle Size on Ultrasound](https://clinideck.com/lateral-ventricle-size-ultrasound/): Normal lateral ventricle measurements on cranial ultrasound, including body and frontal horn dimensions, with clinical thresholds for ventriculomegaly.
- [Normal Left Atrium Diameter Size on Radiography](https://clinideck.com/normal-left-atrium-diameter-radiography/): Normal left atrium diameter on posteroanterior chest radiography measures less than 7 cm, a key threshold for detecting left atrial enlargement.
- [Normal Left Gastric Vein Diameter: Ultrasound Reference](https://clinideck.com/left-gastric-vein-diameter-ultrasound/): Normal left gastric vein diameter is less than 6 mm on color Doppler ultrasound; enlargement is a key marker of portal hypertension and variceal risk.
- [Normal Left Pulmonary Artery Size on Chest Radiography](https://clinideck.com/left-pulmonary-artery-size-radiography/): Normal left pulmonary artery diameter is less than 18 mm on lateral chest radiography, a key threshold for detecting pulmonary arterial enlargement.
- [Normal Left Pulmonary Artery Size on Chest X-Ray](https://clinideck.com/normal-left-pulmonary-artery-radiography/): Normal left pulmonary artery diameter on chest radiography measures up to 18 mm on the lateral view, a key threshold for detecting pulmonary hypertension.
- [Normal Liver Diameter Size by Age: Ultrasound, CT & MRI](https://clinideck.com/normal-liver-diameter-size-ultrasound-mri-ct/): Reference guide for normal liver diameter measured in the midclavicular line across all age groups on ultrasound, CT, and MRI imaging.
- [Normal Liver Segments Anatomy on Ultrasound](https://clinideck.com/liver-segments-anatomy-ultrasound/): A concise ultrasound reference for normal liver segment anatomy based on the Couinaud classification, essential for lesion localization and surgical planning.
- [Normal Lumbosacral Angle Size on X-ray, CT & MRI](https://clinideck.com/normal-lumbosacral-angle-radiography-ct-mri/): The normal lumbosacral angle measures 26–57° on lateral imaging; deviations correlate with low back pain, spondylolisthesis, and altered spinal biomechanics.
- [Normal Lumbosacral Disc Angle Size on X-ray, CT & MRI](https://clinideck.com/normal-lumbosacral-disc-angle-radiography-ct-mri/): The normal lumbosacral disc angle measures 10–15° on lateral imaging; deviations may indicate spondylolisthesis, disc pathology, or postural malalignment.
- [Normal Lunotriquetral Angle Size on Radiography](https://clinideck.com/lunotriquetral-angle-normal-radiography/): The normal lunotriquetral angle measures 14° on lateral radiography, a key reference for diagnosing carpal instability and ligamentous injury.
- [Normal Main Left Bronchus Diameter on Radiography](https://clinideck.com/normal-main-left-bronchus-diameter-radiography/): The normal main left bronchus diameter on posteroanterior radiography measures less than 2.3 cm, a key threshold for detecting bronchial pathology.
- [Normal Maximum Vertical Pocket Size on Ultrasound](https://clinideck.com/maximum-vertical-pocket-polyhydramnios-ultrasound/): Learn the normal and abnormal Maximum Vertical Pocket thresholds on obstetric ultrasound, including the >8 cm cutoff for polyhydramnios diagnosis.
- [Normal Maximum Vertical Pocket Size on Ultrasound >24 Weeks](https://clinideck.com/maximum-vertical-pocket-oligohydramnios-ultrasound/): Learn the normal maximum vertical pocket threshold for diagnosing oligohydramnios after 24 weeks on obstetric ultrasound, with clinical and technical guidance.
- [Normal McGregor's Line Measurement: Radiography, CT, MRI](https://clinideck.com/mcgregors-line-normal-measurement-cervical/): Normal McGregor's line measures less than 4.5 mm above the line, used to assess basilar invagination on lateral cervical imaging.
- [Normal McMurtry's Translation Index Size on Radiography](https://clinideck.com/mcmurtry-translation-index-wrist-radiography/): Normal McMurtry's Translation Index on PA wrist radiography ranges from 0.27–0.33, serving as a key measure of carpal translocation.
- [Normal Metacarpophalangeal Joint Space Size on Radiography](https://clinideck.com/metacarpophalangeal-joint-space-normal-radiography/): Normal metacarpophalangeal joint space measures 1–2 mm on PA and lateral radiographs — a key reference for detecting arthritis and joint disease.
- [Normal Metaphyseal-Diaphyseal Tibia Angle Size on Radiography](https://clinideck.com/metaphyseal-diaphyseal-tibia-angle-radiography/): Normal metaphyseal-diaphyseal tibia angle is less than 11° on AP radiography, helping distinguish physiological bowing from pathological tibia vara.
- [Normal Metatarsophalangeal Angle Size on Radiography](https://clinideck.com/normal-metatarsophalangeal-angle-radiography/): Normal metatarsophalangeal angle values on weight-bearing AP radiography: <15° at the 1st MTP and <10° at the 5th MTP joint.
- [Normal Metatarsophalangeal Joint Space Size on Radiography](https://clinideck.com/metatarsophalangeal-joint-space-normal-radiography/): Normal metatarsophalangeal joint space measures 1–2 mm on radiography; values outside this range suggest arthritis, gout, or joint destruction.
- [Normal Microcolon Size on Barium Enema: Key Reference](https://clinideck.com/microcolon-size-barium-enema/): Normal microcolon diameter measures less than 1 cm on barium enema, a critical threshold for diagnosing neonatal bowel obstruction.
- [Normal Modified Insall-Salvati Ratio Size on Radiography](https://clinideck.com/modified-insall-salvati-ratio-knee-radiography/): The normal modified Insall-Salvati ratio is less than 2 on lateral knee radiography, a key measure for detecting patellar height abnormalities.
- [Normal Nattrass's Carpal Height Index Size on Radiography](https://clinideck.com/nattrass-carpal-height-index-radiography/): Normal Nattrass's Index of Carpal Height on PA wrist radiography ranges from 1.52 to 1.62, a key metric for detecting carpal collapse.
- [Normal Neonatal Adrenal Gland Size on Ultrasound](https://clinideck.com/neonatal-adrenal-gland-size-ultrasound/): Reference values for normal neonatal adrenal gland size on ultrasound, including maximal diameter, length, and thickness in newborns.
- [Normal Neonatal Trachea Diameter on Radiography](https://clinideck.com/normal-neonatal-trachea-diameter-radiography/): Reference values for normal neonatal tracheal diameter on radiography, including AP and lateral measurements at C5, T1, and T3 levels.
- [Normal Newborn Gastrointestinal Air Progression on Radiography](https://clinideck.com/newborn-gastrointestinal-air-radiography/): Normal newborn gastrointestinal air reaches the stomach by 2 hours, small bowel by 6 hours, and rectum by 24 hours on plain radiography.
- [Normal Nuchal Thickness Size 18–22 Weeks Ultrasound](https://clinideck.com/nuchal-thickness-18-22-weeks-ultrasound/): Normal fetal nuchal fold thickness measures less than 6 mm on ultrasound between 18–22 weeks; values at or above this threshold raise concern for aneuploidy.
- [Normal Nuchal Translucency Size on Ultrasound 11–14 Weeks](https://clinideck.com/nuchal-translucency-normal-size-ultrasound/): Normal nuchal translucency measures less than 3 mm on ultrasound between 11–14 weeks, with values above this threshold raising concern for chromosomal abnormalities.
- [Normal Ovarian Vein Diameter on Ultrasound and CT](https://clinideck.com/normal-ovarian-vein-diameter-ultrasound-ct/): Normal ovarian vein diameter measures less than 7 mm on ultrasound and CT; values at or above this threshold may indicate pelvic venous insufficiency.
- [Normal Ovary Volume in Children: Ultrasound Reference](https://clinideck.com/normal-ovary-volume-children-ultrasound/): Reference guide for normal pediatric ovarian volume by age group on ultrasound, from neonates through adolescence, with clinical thresholds.
- [Normal Ovary Volume Size on Ultrasound, CT & MRI](https://clinideck.com/normal-ovary-volume-ultrasound-ct-mri/): Normal ovarian volume ranges from <20 mL premenopausal to <10 mL postmenopausal; learn thresholds for PCOS and fertility assessment on ultrasound, CT, and MRI.
- [Normal Pancreas Diameter Size on Ultrasound](https://clinideck.com/normal-pancreas-diameter-ultrasound/): Reference guide to normal pancreas anteroposterior diameter on ultrasound across all age groups, from neonates to adults.
- [Normal Papilla of Vater Diameter on Ultrasound and CT](https://clinideck.com/normal-papilla-vater-diameter-ct-ultrasound/): Normal papilla of Vater diameter is less than 10 mm on CT and ultrasound; enlargement beyond this threshold warrants further clinical investigation.
- [Normal Patellar Nose Size on Radiography and MRI](https://clinideck.com/patellar-nose-size-radiography-mri/): Learn the normal patellar nose measurements on radiography and MRI, including key thresholds linked to patellar instability and chondral pathology.
- [Normal Patellar Tilt Angle: Radiography, CT & MRI](https://clinideck.com/normal-patellar-tilt-angle-knee-imaging/): Normal patellar tilt angle is 20° on sunrise view; learn measurement technique and clinical significance on radiography, CT, and MRI.
- [Normal Patellofemoral Index Size on Radiography](https://clinideck.com/normal-patellofemoral-index-radiography/): The normal patellofemoral index on sunrise radiograph is less than 1.6, a key metric for diagnosing lateral patellar compression syndrome.
- [Normal Pelvic Lymph Node Size on CT and MRI](https://clinideck.com/normal-pelvic-lymph-node-size-ct-mri/): Normal inguinal pelvic lymph nodes measure less than 1.5 cm on CT and MRI; exceeding this threshold warrants further clinical evaluation.
- [Normal Perirectal Lymph Node Size on CT and MRI](https://clinideck.com/perirectal-lymph-node-size-ct-mri/): Normal perirectal lymph nodes measure less than 5–8 mm on CT and MRI; exceeding this threshold raises concern for malignant involvement.
- [Normal Phi Angle Size on Fluoroscopy and Radiography](https://clinideck.com/normal-phi-angle-fluoroscopy-radiography/): The normal phi angle measures 30–60° on fluoroscopy and radiography, a key landmark for assessing gastric band position after laparoscopic adjustable gastric banding.
- [Normal Physiologic Periosteal Reaction Newborn Radiography](https://clinideck.com/physiologic-periosteal-reaction-newborn-radiography/): Normal physiologic periosteal reaction in newborns measures less than 2 mm on radiography and must be distinguished from pathologic periostitis.
- [Normal Physiologic Periosteal Reaction Newborn Radiography](https://clinideck.com/physiologic-periosteal-reaction-newborn-radiograph/): Normal physiologic periosteal reaction in newborns measures less than 2 mm on radiography and must be distinguished from pathologic causes.
- [Normal PICC Line Position on Chest Radiography](https://clinideck.com/picc-line-normal-position-radiography/): Normal PICC line tip position on chest radiography is within the superior vena cava, confirmed to ensure safe central venous access.
- [Normal Pituitary Gland Diameter Size on MRI](https://clinideck.com/normal-pituitary-gland-diameter-mri/): Normal pituitary gland anteroposterior diameter on MRI is up to 6 mm in children under 12 and up to 10 mm at puberty.
- [Normal Pituitary Stalk Size on CT and MRI](https://clinideck.com/normal-pituitary-stalk-size-ct-mri/): Normal pituitary stalk diameter measures less than 2–5 mm on CT and MRI; values above this range suggest pathological thickening.
- [Normal Placenta Previa Distance Size on Ultrasound](https://clinideck.com/placenta-previa-distance-ultrasound/): Learn the normal placenta-to-os distance threshold for placenta previa on ultrasound, with clinical significance and measurement technique pearls.
- [Normal Popliteal Artery Diameter on Ultrasound, CT & MRI](https://clinideck.com/normal-popliteal-artery-diameter-imaging/): Normal popliteal artery diameter ranges from 4.1–5.6 mm on axial imaging; learn measurement technique and clinical thresholds across ultrasound, CT, and MRI.
- [Normal Popliteal Artery Peak Systolic Velocity on Ultrasound](https://clinideck.com/popliteal-artery-peak-systolic-velocity-ultrasound/): Normal popliteal artery peak systolic velocity on duplex ultrasound ranges from 55–82 cm/s, a key benchmark for diagnosing peripheral arterial disease.
- [Normal Portal Vein Diameter on Ultrasound](https://clinideck.com/portal-vein-diameter-ultrasound/): Reference values for normal portal vein diameter on ultrasound across all age groups, from neonates to adults, with clinical significance.
- [Normal Portal Vein Velocity on Ultrasound](https://clinideck.com/normal-portal-vein-velocity-ultrasound/): Normal portal vein velocity on Doppler ultrasound ranges from 20–30 cm/s, a key metric for detecting portal hypertension and hepatic vascular disease.
- [Normal Posterior Cruciate Ligament Thickness on MRI](https://clinideck.com/posterior-cruciate-ligament-normal-mri-thickness/): Normal posterior cruciate ligament thickness on MRI measures less than 6 mm; values above this threshold suggest PCL pathology requiring further evaluation.
- [Normal Posterior Junction Line Thickness on Radiography](https://clinideck.com/posterior-junction-line-normal-radiography/): The normal posterior junction line measures less than 1 mm on PA chest radiography; understanding this landmark helps detect mediastinal pathology early.
- [Normal Posterior Semicircular Canal Size on CT and MRI](https://clinideck.com/posterior-semicircular-canal-normal-size-ct-mri/): Normal posterior semicircular canal average diameter is 1.5 mm on axial CT and MRI, a key reference for evaluating inner ear anomalies.
- [Normal Posterior Tracheal Wall Thickness on Radiography](https://clinideck.com/posterior-tracheal-wall-thickness-radiography/): Normal posterior tracheal wall thickness on lateral chest radiography measures less than 2.5 mm — a key landmark for detecting retrotracheal pathology.
- [Normal Powers Index Cervical Size: X-Ray, CT & MRI](https://clinideck.com/normal-powers-index-cervical-radiography-ct-mri/): The normal Powers Index is less than 1 on lateral imaging; values ≥1 indicate atlantooccipital dislocation on X-ray, CT, or MRI.
- [Normal Presacral Space Size on Barium Enema in Children](https://clinideck.com/presacral-space-barium-enema-children/): Normal presacral space measures less than 5 mm on barium enema in children aged 0–15 years; enlargement may indicate inflammatory or neoplastic pathology.
- [Normal Prevertebral Soft Tissue C2 Thickness Radiography CT](https://clinideck.com/prevertebral-soft-tissue-c2-thickness/): Reference values for normal prevertebral soft tissue maximal thickness at C2 in pediatric patients on lateral radiography and CT by age group.
- [Normal Prevertebral Soft Tissue Thickness on Radiography](https://clinideck.com/prevertebral-soft-tissue-normal-thickness-radiography/): Normal prevertebral soft tissue thickness values on lateral cervical radiography, from C1 to C7, based on Penning 1981 reference data.
- [Normal Prevertebral Soft Tissue Thickness on Radiography](https://clinideck.com/prevertebral-soft-tissue-thickness-radiography-2/): Normal prevertebral soft tissue thickness in cervical spine flexion on lateral radiography, with average values from C1 to C7 per Penning 1981.
- [Normal Prevertebral Soft Tissue Thickness on Radiography](https://clinideck.com/prevertebral-soft-tissue-thickness-radiography/): Normal prevertebral soft tissue thickness on lateral cervical radiography ranges from 3.2 mm at C2 to 15.1 mm at C6 in neutral position.
- [Normal Prevertebral Soft Tissue Thickness on X-Ray, CT & MRI](https://clinideck.com/prevertebral-soft-tissue-normal-thickness/): Reference values for normal prevertebral soft tissue thickness at C1–C7 on radiography, CT, and MRI, with clinical significance and measurement technique.
- [Normal Prostate Dimensions on Ultrasound](https://clinideck.com/normal-prostate-dimensions-ultrasound/): Normal prostate dimensions on ultrasound measure approximately 2.8 × 2.8 × 4.8 cm, with values above this threshold suggesting benign or malignant enlargement.
- [Normal Prostate Volume Size on Ultrasound](https://clinideck.com/normal-prostate-volume-ultrasound/): Normal prostate volume on ultrasound is up to 30 mL in adults; values above this threshold may indicate benign or malignant enlargement.
- [Normal Proximal Pulmonary Artery Diameter on CT and MRI](https://clinideck.com/proximal-pulmonary-artery-diameter-ct-mri/): Normal proximal pulmonary artery diameter on CT and MRI: left 21 ± 3.5 mm, right 18.7 ± 2.8 mm, with key thresholds for pulmonary hypertension.
- [Normal Pseudosubluxation Size on Cervical Radiography](https://clinideck.com/pseudosubluxation-cervical-spine-radiography/): Normal pseudosubluxation at C2/C3 measures less than 3 mm on lateral cervical radiography, a critical threshold to distinguish physiologic from true subluxation.
- [Normal Pseudosubluxation Size on Cervical Spine Radiography](https://clinideck.com/cervical-spine-pseudosubluxation-normal-radiography/): Normal cervical pseudosubluxation measures less than 3 mm at C3/C4 on lateral radiography, a key threshold for distinguishing physiologic from pathologic displacement.
- [Normal Pulmonary Artery Trunk Size on CT and MRI](https://clinideck.com/pulmonary-artery-trunk-diameter-ct-mri/): Reference values for normal pulmonary artery trunk diameter on CT and MRI, including sex-specific averages and the upper limit of 28.6 mm.
- [Normal Pylorus Diameter & Thickness on Ultrasound](https://clinideck.com/normal-pylorus-diameter-thickness-ultrasound/): Normal pyloric muscle thickness is <3 mm and channel length <15 mm on ultrasound; values above these thresholds suggest hypertrophic pyloric stenosis.
- [Normal Quadriceps Angle Size on X-ray, CT & MRI](https://clinideck.com/normal-quadriceps-angle-knee-imaging/): Normal quadriceps (Q) angle of the knee measures 15–20° on radiography, CT, and MRI, with clinical relevance to patellar instability and tracking disorders.
- [Normal Radial Inclination Angle Size on Radiography](https://clinideck.com/normal-radial-inclination-radiography/): Normal radial inclination on posteroanterior wrist radiography measures 21–25°, a key parameter for assessing distal radius fractures and alignment.
- [Normal Radial Length Size on Wrist Radiography](https://clinideck.com/normal-radial-length-wrist-radiography/): Normal radial length on posteroanterior wrist radiography measures 10–13 mm, a key parameter for detecting distal radius fractures and malalignment.
- [Normal Radiocarpal Joint Space Size on Radiography](https://clinideck.com/radiocarpal-joint-space-normal-radiography/): Normal radiocarpal joint space measures 2.0–2.5 mm on posteroanterior and lateral radiographs, with deviations indicating arthritis or ligamentous injury.
- [Normal Radiolunate Angle Size on Radiography](https://clinideck.com/normal-radiolunate-angle-radiography/): The normal radiolunate angle on lateral wrist radiography ranges from -15° to 15°, a key measurement for detecting carpal instability.
- [Normal Radioscaphoid Angle Size on Radiography](https://clinideck.com/normal-radioscaphoid-angle-radiography/): Normal radioscaphoid angle on lateral wrist radiography measures 30–60°, a key parameter for diagnosing carpal instability and scaphoid malalignment.
- [Normal Radioulnar Angle Size on Wrist Radiography](https://clinideck.com/normal-radioulnar-angle-wrist-radiography/): Normal radioulnar angle on PA wrist radiography measures 72–95°, a key parameter for assessing distal radius alignment and wrist biomechanics.
- [Normal Radius Angle Size on Wrist Radiography](https://clinideck.com/normal-radius-angle-wrist-radiography/): Normal radius angle on lateral wrist radiography measures 79–94°, a key parameter for assessing distal radius alignment and fracture reduction.
- [Normal Radius Palmar Tilt Size on Radiography](https://clinideck.com/radius-palmar-tilt-normal-radiography/): Normal radius palmar tilt on lateral wrist radiograph measures 2–20°, a key parameter for assessing distal radius fracture alignment and reduction.
- [Normal Rectosigmoid Index Size on Barium Enema](https://clinideck.com/rectosigmoid-index-barium-enema/): Learn the normal rectosigmoid index on barium enema, its measurement technique, and clinical role in diagnosing Hirschsprung's disease.
- [Normal Renal Artery Velocity Size on Ultrasound](https://clinideck.com/normal-renal-artery-velocity-ultrasound/): Normal peak systolic renal artery velocity on Doppler ultrasound is less than 200 cm/s, a key threshold for detecting renal artery stenosis.
- [Normal Renal Diameter Size by Age: Ultrasound & CT](https://clinideck.com/normal-renal-diameter-pediatric-ultrasound-ct/): Reference guide for normal average renal longitudinal diameter by age from newborn to 4 years on ultrasound and CT imaging.
- [Normal Renal Pelvis Size on Ultrasound and CT](https://clinideck.com/normal-renal-pelvis-size-ct-ultrasound/): Reference ranges for normal renal pelvis diameter on ultrasound and CT, with clinical thresholds for hydronephrosis and key measurement pearls.
- [Normal Renal Resistive Index Size on Ultrasound](https://clinideck.com/renal-resistive-index-ultrasound/): Learn the normal renal resistive index on Doppler ultrasound, its clinical thresholds, and how values above 0.7 suggest obstruction or intrinsic disease.
- [Normal Retrosternal Space Size on Chest Radiography](https://clinideck.com/retrosternal-space-normal-size-radiography/): Normal retrosternal space on lateral chest radiograph measures less than 2.5 cm; enlargement is a key indicator of pulmonary hyperinflation.
- [Normal Retrotracheal Space Diameter at C5 on Radiography](https://clinideck.com/retrotracheal-space-diameter-c5-radiography/): Normal retrotracheal space maximal diameter at C5 on lateral neck radiography ranges from 1.2–2.0 cm in pediatric patients aged 0–14 years.
- [Normal Right Descending Pulmonary Artery Size on Radiography](https://clinideck.com/right-descending-pulmonary-artery-radiography/): Normal right descending pulmonary artery diameter is less than 16 mm on posteroanterior chest radiography, a key threshold for detecting pulmonary hypertension.
- [Normal Right Interlobar Pulmonary Artery Size on Radiography](https://clinideck.com/right-interlobar-pulmonary-artery-radiography/): Reference values for the normal right interlobar pulmonary artery diameter on chest radiography in children aged 1–14 years, by age group.
- [Normal Right Main Bronchus Diameter on Radiography](https://clinideck.com/normal-right-main-bronchus-diameter-radiography/): The normal right main bronchus maximal diameter on posteroanterior radiography is less than 2.4 cm, a key threshold for detecting airway pathology.
- [Normal Right Paratracheal Stripe Width on Chest X-Ray](https://clinideck.com/right-paratracheal-stripe-width-radiography/): The normal right paratracheal stripe measures less than 4 mm on anteroposterior chest radiography; widening suggests mediastinal pathology.
- [Normal Right Paratracheal Stripe Width on Radiography](https://clinideck.com/right-paratracheal-stripe-normal-radiography/): The normal right paratracheal stripe measures less than 4 mm on PA chest radiography; widening suggests mediastinal pathology requiring further evaluation.
- [Normal Scapholunate Angle Size on Radiography](https://clinideck.com/normal-scapholunate-angle-radiography/): The normal scapholunate angle on lateral wrist radiography measures 30–60°, a key parameter for diagnosing carpal instability and ligamentous injury.
- [Normal Scapholunate Distance Size on Radiography](https://clinideck.com/normal-scapholunate-distance-radiography/): Normal scapholunate distance on posteroanterior radiography measures less than 3 mm; values exceeding this threshold suggest ligamentous instability.
- [Normal Schmidt-Fischer Angle Size on X-ray, CT & MRI](https://clinideck.com/schmidt-fischer-angle-normal-cervical/): Normal Schmidt-Fischer angle measures 124–127° at the odontoid, a key craniovertebral junction landmark assessed on radiography, CT, and MRI.
- [Normal Scrotal Wall Thickness on Ultrasound](https://clinideck.com/normal-scrotal-wall-thickness-ultrasound/): Normal scrotal wall maximal thickness on ultrasound measures 2–8 mm, with thickening indicating edema, infection, or inflammatory pathology.
- [Normal Small Bowel Diameter Size on CT, MRI & X-Ray](https://clinideck.com/normal-small-bowel-diameter-imaging/): Normal small bowel anteroposterior diameter is <3 cm in adults, with age-specific pediatric values from 13.9 mm at 6 months to ~24.9 mm at age 15.
- [Normal Small Bowel Wall Thickness on CT and Ultrasound](https://clinideck.com/small-bowel-wall-thickness-ct-ultrasound/): Normal small bowel wall thickness is less than 3 mm on CT and ultrasound; exceeding this threshold suggests inflammation, ischemia, or neoplasm.
- [Normal Spermatic Cord Vein Size on Ultrasound](https://clinideck.com/spermatic-cord-vein-size-ultrasound/): Normal spermatic cord vein diameter is ≤2.2 mm on ultrasound; values above this threshold indicate varicocele graded mild, moderate, or severe.
- [Normal Spinal Canal Diameter Size on X-Ray, CT & MRI](https://clinideck.com/normal-spinal-canal-diameter-radiography-ct-mri/): Normal spinal canal diameter ranges 17–22 mm in the thoracic spine and 15–25 mm in the lumbosacral spine on radiography, CT, and MRI.
- [Normal Spinal Canal Size in Stenosis: CT, MRI & X-Ray](https://clinideck.com/spinal-canal-stenosis-normal-size-ct-mri/): Reference thresholds for spinal canal stenosis on CT, MRI, and radiography, covering cervical, thoracic, and lumbosacral measurements for clinical practice.
- [Normal Spleen Diameter Size by Age: Ultrasound, MRI & CT](https://clinideck.com/normal-spleen-diameter-size-age/): Reference guide for normal spleen diameter by age on ultrasound, MRI, and CT—from neonates through young adults, with clinical thresholds.
- [Normal Splenic Vein Diameter on Ultrasound and CT](https://clinideck.com/normal-splenic-vein-diameter-ultrasound-ct/): Normal splenic vein diameter measures less than 10 mm on ultrasound and CT, with normal splenic vein length under 13 cm in adults.
- [Normal Stahl's Lunate Index Size on Radiography](https://clinideck.com/stahls-lunate-index-radiography/): Normal Stahl's lunate index ranges from 0.50–0.56 on posteroanterior and lateral radiographs, a key ratio for assessing lunate morphology.
- [Normal Stomach Wall Thickness on Ultrasound and CT](https://clinideck.com/normal-stomach-wall-thickness-ct-ultrasound/): Normal stomach wall thickness measures less than 10 mm on CT and ultrasound; values above this threshold warrant further evaluation for pathology.
- [Normal Sulcus Angle Size on Radiography | Knee](https://clinideck.com/normal-sulcus-angle-knee-radiography/): The normal sulcus angle of the knee measures 126–150° on sunrise radiography, a key metric for assessing trochlear morphology and patellar instability.
- [Normal Suprapatellar Bursa Width on MRI](https://clinideck.com/suprapatellar-bursa-width-mri/): Normal suprapatellar bursa width on MRI measures less than 5 mm in the lateral dimension, with larger values suggesting joint effusion or bursitis.
- [Normal Swan-Ganz Catheter Position on Chest Radiograph](https://clinideck.com/swan-ganz-catheter-normal-position-radiography/): Normal Swan-Ganz catheter tip position on chest radiograph lies 3–4 cm distal to the pulmonary valve, within the main or proximal pulmonary artery.
- [Normal Talar Dome–Tibial Plafond Distance on Radiography](https://clinideck.com/talar-dome-tibial-plafond-distance-radiography/): Learn the normal talar dome–tibial plafond distance on radiography, including the >3 mm varus stress threshold that indicates ankle instability.
- [Normal Talar Tilt Angle Size on Radiography](https://clinideck.com/talar-tilt-angle-radiography/): Learn normal talar tilt angle values on radiography, how to measure them, and when values exceeding 10° indicate lateral ankle instability.
- [Normal Talar Tilt Angle Size on Radiography](https://clinideck.com/normal-talar-tilt-angle-radiography/): Normal talar tilt angle on AP mortise radiography measures less than 10°, a key threshold for detecting lateral ankle ligamentous instability.
- [Normal Talar–1st Metatarsal Angle Size on Radiography](https://clinideck.com/talar-first-metatarsal-angle-radiography-2/): Reference values for the lateral talar–1st metatarsal angle on radiography in normal infants and children, from newborn through age 9.
- [Normal Talar–1st Metatarsal Angle Size on Radiography](https://clinideck.com/talar-first-metatarsal-angle-radiography/): Normal talar–1st metatarsal angle values on AP foot radiography vary by age, from 20° at birth to 10° at age 4, guiding flatfoot assessment.
- [Normal Talo-Calcaneal Index Size on Radiography](https://clinideck.com/talo-calcaneal-index-normal-radiography/): Learn the normal talo-calcaneal index on radiography, its clinical significance in flatfoot evaluation, and key measurement technique pearls.
- [Normal Talocalcaneal Angle Dorsiflexion Size on Radiography](https://clinideck.com/talocalcaneal-angle-dorsiflexion-radiography/): Normal lateral talocalcaneal angle at maximal dorsiflexion on radiography ranges from 25–56° in newborns through age 9, varying by age group.
- [Normal Talocalcaneal Angle Size by Age on Radiography](https://clinideck.com/talocalcaneal-angle-radiography-normal-values/): Normal talocalcaneal angle values on lateral radiography range from 20° at birth to approximately 10° by age 4, varying by skeletal maturity.
- [Normal Talocalcaneal Angle Size on Radiography](https://clinideck.com/talocalcaneal-angle-normal-radiography/): Normal talocalcaneal angle values on radiography range by age, from 27–56° in newborns to 15–56° in children aged 4–9 years.
- [Normal Talocalcaneal Index Size on Radiography](https://clinideck.com/talocalcaneal-index-normal-radiography/): Reference values for the normal talocalcaneal index on lateral radiographs in infants and children, from newborn through age 9.
- [Normal Talocrural Angle Size on Radiography](https://clinideck.com/talocrural-angle-normal-radiography/): Normal talocrural angle measures 8–15° on AP mortise radiograph; deviations indicate fibular length abnormality or ankle instability.
- [Normal Talonavicular Coverage Angle Size on Radiography](https://clinideck.com/talonavicular-coverage-angle-radiography/): Normal talonavicular coverage angle is less than 7° on AP radiography; values above this threshold indicate hindfoot malalignment and pes planus.
- [Normal Talus Declination Angle Size on Radiography](https://clinideck.com/talus-declination-angle-radiography/): The normal talus declination angle measures 21° on lateral radiography, a key reference for assessing hindfoot biomechanics and foot arch alignment.
- [Normal Tarsometatarsal Joint Space Size on Radiography](https://clinideck.com/normal-tarsometatarsal-joint-space-radiography/): Normal tarsometatarsal joint space measures 2.0–2.5 mm on radiography; deviations may indicate Lisfranc injury or arthropathy.
- [Normal Testicular Appendix Diameter on Ultrasound](https://clinideck.com/normal-testicular-appendix-diameter-ultrasound/): Normal testicular appendix diameter measures less than 5 mm on scrotal ultrasound; enlargement beyond this threshold suggests torsion or inflammation.
- [Normal Testicular Resistance Index Size on Ultrasound](https://clinideck.com/testicular-resistance-index-ultrasound/): Normal testicular arterial resistance index (RI) on Doppler ultrasound ranges from 0.48 to 0.75, aiding diagnosis of torsion and ischemia.
- [Normal Testicular Volume Size by Age on Ultrasound](https://clinideck.com/normal-testicular-volume-ultrasound-age/): Reference values for normal testicular volume and length on ultrasound from newborn through adolescence, with clinical significance and measurement technique.
- [Normal Testicular Volume Size on Ultrasound](https://clinideck.com/normal-testicular-volume-ultrasound/): Normal testicular volume on ultrasound measures less than 15–20 mL in adult males; learn measurement technique and clinical significance.
- [Normal Testis Size on Ultrasound: Key Dimensions](https://clinideck.com/normal-testis-size-ultrasound/): Learn normal testicular dimensions on ultrasound—4–5 × 2–3 × 2–2.5 cm—and the clinical significance of deviations from these reference values.
- [Normal Third Ventricle Size on Ultrasound: Newborn](https://clinideck.com/third-ventricle-size-ultrasound-newborn/): Normal third ventricle width on neonatal cranial ultrasound measures up to 4 mm in coronal projection, with values above this threshold raising concern for hydrocephalus.
- [Normal Third Ventricle Transverse Diameter on CT and MRI](https://clinideck.com/normal-third-ventricle-transverse-diameter-ct-mri/): Normal third ventricle transverse diameter ranges from 2–10 mm on CT and MRI; values outside this range may indicate hydrocephalus or cerebral atrophy.
- [Normal Thoracic Lymph Node Size on CT and MRI](https://clinideck.com/normal-thoracic-lymph-node-size-ct-mri/): Reference guide to normal thoracic lymph node dimensions by location on CT and MRI, including mediastinal, hilar, axillary, and internal mammary stations.
- [Normal Thoracic Wedge Compression Fracture Size on X-Ray/CT](https://clinideck.com/thoracic-wedge-compression-fracture-normal/): Normal anterior-to-posterior vertebral height difference in thoracic wedge compression fracture is less than 3 mm on lateral radiography and CT.
- [Normal Thorax/Abdomen Circumference Ratio on Ultrasound](https://clinideck.com/fetal-thorax-abdomen-circumference-ratio-ultrasound/): Normal fetal thorax circumference to abdomen circumference ratio is >0.77 on ultrasound, a key marker for detecting thoracic dysplasia.
- [Normal Thymus Diameter Size on CT by Age Group](https://clinideck.com/normal-thymus-diameter-ct-age/): Reference CT measurements for normal thymus diameter in children and adolescents, including anteroposterior, transverse, and craniocaudal dimensions by age group.
- [Normal Thyroid Diameter Size on Ultrasound](https://clinideck.com/normal-thyroid-diameter-ultrasound/): Reference values for normal thyroid diameter on ultrasound in newborns, children, and adolescents, with clinical significance and measurement technique.
- [Normal Tibia Metaphysodiaphyseal Angle Size on Radiography](https://clinideck.com/tibia-metaphysodiaphyseal-angle-radiography/): Normal tibia metaphysodiaphyseal angle on AP radiography measures 2.3–7.9° in children aged 11–30 months, helping differentiate physiologic bowing from Blount disease.
- [Normal Tibial Plateau Angle Size on Radiography](https://clinideck.com/tibial-plateau-angle-normal-radiography/): Normal tibial plateau angle on lateral radiography ranges from 7° to 22°, with values outside this range linked to knee instability and implant failure.
- [Normal Tibial Torsion Angle Size on CT and MRI](https://clinideck.com/tibial-torsion-angle-ct-mri/): Normal tibial torsion angle ranges from 25–55° on axial CT and MRI, with deviations linked to gait pathology and rotational deformity.
- [Normal Tibial Tubercle-Trochlea Distance Size on Radiography](https://clinideck.com/tibial-tubercle-trochlea-distance-radiography/): Normal tibial tubercle-trochlea (TT-TG) distance on lateral radiography is less than 2 cm, a key measurement in patellar instability assessment.
- [Normal Tibiocalcaneal Angle Dorsiflexion Size on Radiography](https://clinideck.com/tibiocalcaneal-angle-dorsiflexion-radiography/): Normal tibiocalcaneal angle at maximal dorsiflexion on lateral radiography ranges by age, from 42° in newborns to 25–73° in children aged 4–9 years.
- [Normal Tibiocalcaneal Angle Size by Age on Radiography](https://clinideck.com/tibiocalcaneal-angle-normal-radiography/): Reference values for the normal tibiocalcaneal angle on lateral radiography from newborn through age 9, with clinical implications for pediatric foot alignment.
- [Normal Tibiofemoral Angle Size on Radiography and MRI](https://clinideck.com/normal-tibiofemoral-angle-knee-radiography-mri/): Normal tibiofemoral angle measures less than 15° on AP radiography; values above this threshold suggest pathologic varus or valgus deformity.
- [Normal Tibiofibular Joint Space Size on Radiography](https://clinideck.com/tibiofibular-joint-space-normal-radiography/): Normal tibiofibular joint space measures less than 6 mm on AP and mortise radiographs, a key threshold for diagnosing syndesmotic injury.
- [Normal Tibiotalar Angle Size on Radiography](https://clinideck.com/normal-tibiotalar-angle-radiography/): Learn normal tibiotalar angle values on lateral radiography from newborn through 9 years, including clinical significance and measurement technique.
- [Normal Total Calcaneal Angle Size on Radiography](https://clinideck.com/normal-total-calcaneal-angle-radiography/): The normal total calcaneal angle on lateral radiography measures less than 90°, a key reference for assessing calcaneal morphology and foot alignment.
- [Normal Toygar's Angle Size on Radiography](https://clinideck.com/toygars-angle-normal-radiography/): Normal Toygar's angle measures approximately 150° on lateral radiography, serving as a key indicator of Achilles tendon integrity and heel alignment.
- [Normal Trachea Coronal/Sagittal Diameter Ratio on X-Ray & CT](https://clinideck.com/trachea-coronal-sagittal-diameter-ratio/): The normal trachea coronal-to-sagittal diameter ratio exceeds 0.6 on radiography and CT, helping detect saber-sheath deformity and other tracheal abnormalities.
- [Normal Tracheal Maximal Diameter Size on Radiography](https://clinideck.com/normal-tracheal-diameter-radiography/): Normal tracheal maximal diameter on posteroanterior radiography measures less than 3 cm; values exceeding this threshold may indicate tracheomegaly or pathology.
- [Normal Tracheoesophageal Stripe Thickness on Radiography](https://clinideck.com/tracheoesophageal-stripe-normal-thickness-radiography/): The normal tracheoesophageal stripe measures less than 5.5 mm on lateral chest radiography; thickening suggests posterior mediastinal pathology.
- [Normal Trochlear Depth Size on MRI: Knee Reference](https://clinideck.com/trochlear-depth-mri-knee/): Normal femoral trochlear depth on MRI measures greater than 3 mm; values below this threshold indicate trochlear dysplasia and patellar instability risk.
- [Normal Trochlear Facet Asymmetry Ratio Size on MRI](https://clinideck.com/trochlear-facet-asymmetry-ratio-mri/): Normal trochlear facet asymmetry ratio on MRI is less than 0.4; values at or above this threshold suggest femoral trochlear dysplasia.
- [Normal Ulnar Angle Size on Radiography | Elbow](https://clinideck.com/normal-ulnar-angle-elbow-radiography/): Normal ulnar angle at the elbow measures 72–99° on lateral radiography, a key reference for assessing joint alignment and pathology.
- [Normal Ulnar Variance Size on Radiography](https://clinideck.com/normal-ulnar-variance-radiography/): Normal ulnar variance on posteroanterior radiography ranges from -2 to +2 mm, a key measurement in wrist pain and carpal pathology workup.
- [Normal Umbilical Vein Diameter on Ultrasound and CT](https://clinideck.com/normal-umbilical-vein-diameter-ultrasound-ct/): Normal umbilical vein diameter is less than 3 mm on ultrasound and CT; values at or above this threshold suggest portal hypertension.
- [Normal Ureter Average Diameter on CT, Ultrasound & MRI](https://clinideck.com/normal-ureter-diameter-ct-ultrasound-mri/): Normal ureter average diameter is 1.8 mm ± 0.9 mm on imaging; learn measurement technique and clinical thresholds across CT, ultrasound, and MRI.
- [Normal Uterus Size in Adults: Ultrasound, CT & MRI](https://clinideck.com/normal-uterus-dimensions-adult-imaging/): Reference normal uterine dimensions by parity and menopausal status on ultrasound, CT, MRI, and hysterosalpingography for accurate clinical interpretation.
- [Normal Uterus Size in Children and Adolescents: Ultrasound](https://clinideck.com/normal-uterus-size-children-adolescents-ultrasound/): Reference normal uterine length and width on ultrasound in pediatric patients aged 1–20 years, with clinical guidance for radiologists.
- [Normal Van Akkerveeken Distance Size: X-ray, CT, MRI](https://clinideck.com/van-akkerveeken-distance-lumbosacral-normal/): Normal Van Akkerveeken distance is less than 3 mm on lateral radiography, CT, and MRI, serving as a key marker for lumbosacral instability.
- [Normal Ventriculomegaly Grading Size on Ultrasound MRI CT](https://clinideck.com/ventriculomegaly-grading-ultrasound-mri-ct/): Learn the standard ventriculomegaly grading thresholds—mild, moderate, and severe—measured on coronal imaging by ultrasound, MRI, and CT.
- [Normal Vermiform Appendix Diameter: Ultrasound, CT & MRI](https://clinideck.com/normal-appendix-diameter-ultrasound-ct/): Normal vermiform appendix diameter is <6 mm on ultrasound and <8 mm on CT; exceeding these thresholds raises concern for acute appendicitis.
- [Normal Vestibular Aqueduct Canal Size: CT Reference](https://clinideck.com/vestibular-aqueduct-canal-normal-size-ct/): Normal vestibular aqueduct canal diameter is less than 1.5 mm on CT; values at or above this threshold suggest enlargement and inner ear pathology.
- [Normal Wackenheim's Angle Size on X-ray, CT & MRI](https://clinideck.com/wackenheims-angle-normal-cervical-imaging/): Normal Wackenheim's angle measures >150° on lateral imaging; learn its clinical significance for craniocervical junction stability assessment.
- [Normal Wedge Compression Fracture Size on Radiography & CT](https://clinideck.com/wedge-compression-fracture-vertebral-height/): Normal anterior-posterior vertebral height difference for lumbosacral wedge compression fracture is <3 mm on lateral radiography and CT.
- [Normal Wiberg Angle Size on Hip Radiography](https://clinideck.com/wiberg-angle-hip-radiography/): Normal Wiberg center-edge angle of the hip measures 25–40° on AP radiography, a key index for diagnosing dysplasia and overcoverage.
- [Normal Wiberg's Angle Size on Hip Radiography](https://clinideck.com/wiberg-angle-hip-radiography-normal/): Normal Wiberg's center-edge angle values on AP hip radiography range by age, guiding assessment of femoral head coverage and dysplasia.
- [Normal Wirsung Canal Diameter on Ultrasound](https://clinideck.com/normal-wirsung-canal-diameter-ultrasound/): The normal Wirsung canal (main pancreatic duct) measures less than 2 mm in anteroposterior diameter on ultrasound in children.
- [Normal Youm's Carpal Height Index Size on Radiography](https://clinideck.com/youms-carpal-height-index-radiography/): Normal Youm's Index of Carpal Height on PA radiography ranges from 0.51–0.57, a key ratio for detecting carpal collapse and instability.
- [Normal Yune Soft Tissue Index Size on Radiography](https://clinideck.com/yune-soft-tissue-index-hand-radiography/): Learn the normal Yune Soft Tissue Index threshold on PA hand radiography, its clinical significance, and measurement technique for detecting acromegaly.

## Pediatric Doses

- [Acetaminophen Pediatric Dose — Analgesia & Antipyresis](https://clinideck.com/acetaminophen-paracetamol-pediatric-dose/): Review acetaminophen pediatric dose by weight, route, and age group — including IV, PO, and PR dosing with daily maximum limits.
- [Acetazolamide Pediatric Dose — Diuretics](https://clinideck.com/acetazolamide-pediatric-dose/): Review the acetazolamide pediatric dose: 5 mg/kg IV or PO every 6–12 hours for 24 hours, with clinical context and administration pearls.
- [Acetylcysteine Pediatric Dose — Acetaminophen Toxicity](https://clinideck.com/acetylcysteine-pediatric-dose/): Acetylcysteine pediatric dose for acetaminophen poisoning: NG and IV protocols with per-kg loading and maintenance dosing for clinical reference.
- [Activated Charcoal Pediatric Dose — Toxicology](https://clinideck.com/activated-charcoal-pediatric-dose/): Activated charcoal pediatric dose for poisoning: 1–2 g/kg via NG or PO to reduce gastrointestinal absorption of ingested toxins.
- [Acyclovir Pediatric Dose — Antiviral Dosing Guide](https://clinideck.com/acyclovir-pediatric-dose/): Complete acyclovir pediatric dose reference covering neonatal HSV, VZV, and adolescent dosing by weight and body surface area for IV and oral routes.
- [Adenosine Pediatric Dose — Antiarrhythmic (SVT)](https://clinideck.com/adenosine-pediatric-dose/): Adenosine pediatric dose for SVT: 100 mcg/kg rapid IVP, max first dose 6 mg, with repeat dosing guidance and key contraindications.
- [Albuterol Pediatric Dose — Asthma & Respiratory](https://clinideck.com/albuterol-pediatric-dose/): Evidence-based albuterol pediatric dose guide covering continuous and intermittent nebulization for acute asthma management in children.
- [Albuterol Pediatric Dose — Hyperkalemia (Toxicology)](https://clinideck.com/albuterol-pediatric-dose-hyperkalemia-toxicology/): Albuterol pediatric dose for hyperkalemia: 5 mg nebulized as adjunct therapy to shift potassium intracellularly in pediatric patients.
- [Alprostadil Pediatric Dose — Cardiovascular Infusions](https://clinideck.com/alprostadil-pediatric-dose/): Review alprostadil pediatric dose guidelines for ductal-dependent congenital heart disease, including per-kg infusion rates and monitoring pearls.
- [Amiodarone Pediatric Dose — Antiarrhythmic Agent](https://clinideck.com/amiodarone-pediatric-dose-2/): Reference guide for amiodarone pediatric dose including IV loading and maintenance infusion dosing for pediatric arrhythmia management.
- [Amiodarone Pediatric Dose — Resuscitation](https://clinideck.com/amiodarone-pediatric-dose/): Amiodarone pediatric dose for VF, pulseless VT, and perfusing tachycardias: 5 mg/kg IV/IO bolus or slow infusion per PALS guidelines.
- [Amlodipine Pediatric Dose — Hypertension](https://clinideck.com/amlodipine-pediatric-dose/): Amlodipine pediatric dose for hypertension: initial 0.05 mg/kg/dose PO once daily, titrated per response and institutional protocol.
- [Amoxicillin Pediatric Dose — Antimicrobial Reference](https://clinideck.com/amoxicillin-pediatric-dose/): Evidence-based amoxicillin pediatric dose guide covering neonates, infants, and AOM, with per-kg calculations and clinical pearls for prescribers.
- [Amoxicillin-Clavulanate Pediatric Dose — Otitis Media](https://clinideck.com/amoxicillin-clavulanate-pediatric-dose/): Amoxicillin-clavulanate pediatric dose for otitis media: standard and multi-drug-resistant dosing guidelines for clinicians and pediatric practitioners.
- [Ampicillin Pediatric Dose — Antimicrobial Dosing Guide](https://clinideck.com/ampicillin-pediatric-dose/): Evidence-based ampicillin pediatric dose: 50–100 mg/kg/dose IV every 6 hours, with a maximum of 14 g/day, for bacterial infections in children.
- [Atrial Arrhythmia Cardioversion Pediatric Dose — Synchronized](https://clinideck.com/atrial-arrhythmia-cardioversion-pediatric-dose/): Atrial arrhythmia pediatric dose for synchronized cardioversion is 0.5–1 J/kg; review dosing, indications, and administration pearls for clinical use.
- [Atropine Pediatric Dose — Resuscitation](https://clinideck.com/atropine-pediatric-dose/): Reference guide for atropine pediatric dose in resuscitation: 0.02 mg/kg IV with a minimum of 0.1 mg and maximum of 1 mg IV.
- [Azithromycin Pediatric Dose — Antimicrobial Therapy](https://clinideck.com/azithromycin-pediatric-dose/): Azithromycin pediatric dose: 10 mg/kg on Day 1, then 5 mg/kg daily on Days 2–5 IV or PO; adjusted regimen for infants under 6 months.
- [Bicarbonate Pediatric Dose — Resuscitation](https://clinideck.com/bicarbonate-pediatric-dose-resuscitation/): Learn the bicarbonate pediatric dose for resuscitation: 1 mEq/kg IV, with dosing examples, clinical context, and administration pearls.
- [Bumetanide Pediatric Dose — Diuretics](https://clinideck.com/bumetanide-pediatric-dose/): Reference guide for bumetanide pediatric dose: 0.01–0.05 mg/kg IV/PO per dose, with continuous infusion dosing for clinical use.
- [Calcium Chloride Pediatric Dose — Electrolyte Replacement](https://clinideck.com/calcium-chloride-pediatric-dose/): Evidence-based calcium chloride pediatric dose for electrolyte replacement: 10–20 mg/kg IV over 30–60 min, max 2 g/dose, via central line.
- [Calcium Gluconate Pediatric Dose — Electrolyte Replacement](https://clinideck.com/calcium-gluconate-pediatric-dose/): Reference guide for calcium gluconate pediatric dose: 60–100 mg/kg IV over 30–60 min for electrolyte repletion in pediatric patients.
- [Captopril Pediatric Dose — Cardiovascular (ACE Inhibitor)](https://clinideck.com/captopril-pediatric-dose/): Review captopril pediatric dose by age group, including neonatal, infant, and child dosing with first-dose hypotension monitoring guidance.
- [Carbamazepine Pediatric Dose — Anticonvulsant](https://clinideck.com/carbamazepine-pediatric-dose/): Review the carbamazepine pediatric dose for seizure management, including initial per-kg oral dosing, titration guidance, and key monitoring considerations.
- [Cefazolin Pediatric Dose — Antimicrobial Reference](https://clinideck.com/cefazolin-pediatric-dose/): Learn the cefazolin pediatric dose: 25–30 mg/kg/dose IV every 8 hours, with dosing examples, indications, and administration pearls for clinicians.
- [Cefdinir Pediatric Dose — Antimicrobial Reference](https://clinideck.com/cefdinir-pediatric-dose/): Learn the cefdinir pediatric dose: 14 mg/kg/day once daily or divided BID for children >6 months, with clinical context and administration pearls.
- [Cefotaxime Pediatric Dose — Antimicrobial Reference](https://clinideck.com/cefotaxime-pediatric-dose/): Cefotaxime pediatric dose: 50 mg/kg IV q8h for general infections, q6h for meningitis. Evidence-based reference for clinicians and pediatric practitioners.
- [Cefoxitin Pediatric Dose — Antimicrobial Dosing Guide](https://clinideck.com/cefoxitin-pediatric-dose/): Review cefoxitin pediatric dose by weight and indication, including serious infection and peritonitis dosing with adult dose reference comparisons.
- [Cefprozil Pediatric Dose — Antimicrobial Reference](https://clinideck.com/cefprozil-pediatric-dose/): Learn the cefprozil pediatric dose: 15 mg/kg/dose PO every 12 hours, with a maximum of 1 g/day, for bacterial infections in children.
- [Ceftazidime Pediatric Dose — Antimicrobial Reference](https://clinideck.com/ceftazidime-pediatric-dose/): Ceftazidime pediatric dose: 50 mg/kg IV every 8 hours, restricted to ID, HemOnc, or CF-approved use. Adult dose is 2 g IV q8h.
- [Ceftriaxone Pediatric Dose — Antimicrobial Reference](https://clinideck.com/ceftriaxone-pediatric-dose/): Ceftriaxone pediatric dose: 50 mg/kg IV every 24 hours for common bacterial infections, with adult meningitis dosing at 2 g IV every 12 hours.
- [Cefuroxime Pediatric Dose — Antimicrobial Reference](https://clinideck.com/cefuroxime-pediatric-dose/): Cefuroxime pediatric dose: 50 mg/kg/dose IV every 8 hours for serious bacterial infections, with an adult cap of 1.5 g per dose.
- [Chloral Hydrate Pediatric Dose — Sedation](https://clinideck.com/chloral-hydrate-pediatric-dose/): Learn the chloral hydrate pediatric dose for procedural sedation: 25–50 mg/kg PO/PR every 6 hours PRN, with a maximum of 1 g per dose.
- [Chlorothiazide Pediatric Dose — Diuretics](https://clinideck.com/chlorothiazide-pediatric-dose/): Chlorothiazide pediatric dose guide covering age-based oral dosing for infants and children, with a worked example and key administration pearls.
- [Clindamycin Pediatric Dose — Antimicrobial Reference](https://clinideck.com/clindamycin-pediatric-dose/): Clindamycin pediatric dose for serious infections: 10 mg/kg IV every 8 hours, with an adult cap of 600 mg per dose. Clinical reference for pediatric practitioners.
- [Clonidine Pediatric Dose — Hypertension Management](https://clinideck.com/clonidine-pediatric-dose-hypertension/): Review the clonidine pediatric dose for hypertension: 5–25 mcg/kg/day PO divided every 8 hours, with practical dosing examples and monitoring guidance.
- [Clonidine Pediatric Dose — Sedation & Withdrawal](https://clinideck.com/clonidine-pediatric-dose-sedation/): Clonidine pediatric dose for sedation: 1.5–5 mcg/kg/dose PO every 8 hours as adjunct therapy to opioids and/or benzodiazepines in critically ill children.
- [Dexamethasone Pediatric Dose — Asthma & Respiratory](https://clinideck.com/dexamethasone-pediatric-dose-asthma/): Dexamethasone pediatric dose for asthma: 0.6 mg/kg IV or PO for two doses 24 hours apart, max 16 mg/dose. Evidence-based reference for clinicians.
- [Dexamethasone Pediatric Dose — Steroids & Key Indications](https://clinideck.com/dexamethasone-pediatric-dose/): Dexamethasone pediatric dose guide covering croup, peri-extubation edema, and increased ICP with weight-based calculations for clinicians.
- [Dexmedetomidine Pediatric Dose — ED Sedation](https://clinideck.com/dexmedetomidine-pediatric-dose/): Dexmedetomidine pediatric dose for ED sedation: 2 mcg/kg IV loading dose over 10 min, then 2 mcg/kg/hour infusion, with up to 2 repeat loads.
- [Dextrose (5%) Pediatric Dose — Hypoglycemia Resuscitation](https://clinideck.com/dextrose-5-percent-pediatric-dose/): Learn the dextrose (5%) pediatric dose for hypoglycemia: 0.5–1 g/kg IV, with dosing examples and administration pearls for clinical practice.
- [Diazepam Pediatric Dose — Sedatives & Anxiolytics](https://clinideck.com/diazepam-pediatric-dose/): Complete diazepam pediatric dose reference covering oral and IV routes for sedation, including per-kg dosing, worked examples, and clinical pearls.
- [Digoxin Pediatric Dose — Cardiovascular](https://clinideck.com/digoxin-pediatric-dose/): Digoxin pediatric dose for cardiovascular indications: maintenance dosing of 5–10 mcg/kg/day PO/IV divided BID, with age-dependent digitalization.
- [Diphenhydramine Pediatric Dose — Acute Allergy](https://clinideck.com/diphenhydramine-pediatric-dose-acute-allergy/): Diphenhydramine pediatric dose for acute allergy: 1 mg/kg IV per dose, with a maximum single dose of 50 mg. Key dosing reference for clinicians.
- [Dopamine & Dobutamine Pediatric Dose — Cardiovascular Infusions](https://clinideck.com/dopamine-dobutamine-pediatric-dose/): Dopamine and dobutamine pediatric dose for cardiovascular support: 2–20 mcg/kg/min IV infusion, titrated to hemodynamic response.
- [Doxycycline Pediatric Dose — Antimicrobial Dosing](https://clinideck.com/doxycycline-pediatric-dose/): Evidence-based doxycycline pediatric dose guide: 2.1 mg/kg IV/PO every 12 hours, with key cautions for children under 8 years of age.
- [Enalapril Pediatric Dose — Cardiovascular (ACE Inhibitor)](https://clinideck.com/enalapril-pediatric-dose/): Enalapril pediatric dose starts at 0.1 mg/kg/day PO divided every 12–24 hours, with a maximum of 0.5 mg/kg/day up to 40 mg/day.
- [Epinephrine (1:10,000) Pediatric Dose — Resuscitation](https://clinideck.com/epinephrine-1-10000-pediatric-dose-resuscitation/): Epinephrine pediatric dose for resuscitation: 0.01 mg/kg IV/IO (0.1 mL/kg of 1:10,000), max 1 mg/dose, per PALS guidelines.
- [Epinephrine Pediatric Dose — Acute Allergic Reaction](https://clinideck.com/epinephrine-pediatric-dose-acute-allergy/): Learn the epinephrine pediatric dose for acute allergic reactions: 0.01 mg/kg IM (1:1000), max 0.5 mg per dose, with key administration pearls.
- [Epinephrine Pediatric Dose — Cardiovascular Infusion](https://clinideck.com/epinephrine-pediatric-dose-infusion/): Epinephrine pediatric dose for continuous infusion: 0.05–1 mcg/kg/min IV/IO, titrated to hemodynamic response in shock states.
- [Erythromycin Pediatric Dose — Gastrointestinal Motility](https://clinideck.com/erythromycin-pediatric-dose-gastrointestinal/): Erythromycin pediatric dose for GI motility: 15–20 mg/kg/day PO divided every 6–8 hours. Key dosing, administration, and monitoring guidance for clinicians.
- [Esmolol Pediatric Dose — Cardiovascular Infusions](https://clinideck.com/esmolol-pediatric-dose/): Evidence-based esmolol pediatric dose guide for clinicians: loading and continuous infusion dosing for acute cardiovascular management in children.
- [Esomeprazole Pediatric Dose — Gastrointestinal System](https://clinideck.com/esomeprazole-pediatric-dose/): Review esomeprazole pediatric dose by weight band for IV/PO use, including dosing adjustments and a maximum of 80 mg divided BID.
- [Ethosuximide Pediatric Dose — Anticonvulsant](https://clinideck.com/ethosuximide-pediatric-dose/): Review ethosuximide pediatric dose by age group, including weight-based dosing for children under 6 and fixed dosing for older patients with absence epilepsy.
- [Etomidate Pediatric Dose — Procedural Sedation & RSI](https://clinideck.com/etomidate-pediatric-dose/): Etomidate pediatric dose for rapid sequence intubation: 0.5 mg/kg IV once, offering hemodynamic stability with ultra-short sedation.
- [Famotidine Pediatric Dose — Gastrointestinal (H2 Blocker)](https://clinideck.com/famotidine-pediatric-dose/): Famotidine pediatric dose for IV acid suppression: 0.5 mg/kg/dose every 12 hours, with adult cap of 20 mg/dose; key clinical pearls included.
- [Fentanyl Pediatric Dose — Analgesia](https://clinideck.com/fentanyl-pediatric-dose/): Review the fentanyl pediatric dose for analgesia: 1–2 mcg/kg IV every 1 hour PRN, with administration pearls and monitoring guidance.
- [Fluconazole Pediatric Dose — Antifungal Treatment](https://clinideck.com/fluconazole-pediatric-dose/): Fluconazole pediatric dose ranges from 3–12 mg/kg IV or PO every 24 hours depending on the infection type and severity.
- [Flumazenil Pediatric Dose — Benzodiazepine Reversal](https://clinideck.com/flumazenil-pediatric-dose/): Flumazenil pediatric dose for benzodiazepine reversal: 0.01 mg/kg IV per dose, max 0.2 mg/dose, repeatable every 1 min up to 1 mg total.
- [Furosemide Pediatric Dose — Diuretics](https://clinideck.com/furosemide-pediatric-dose/): Furosemide pediatric dose: 1 mg/kg per dose IV/PO, with continuous infusion options of 0.05–0.4 mg/kg/hr titrated to clinical effect.
- [Gabapentin Pediatric Dose — Neuropathic Pain](https://clinideck.com/gabapentin-pediatric-dose-neuropathic-pain/): Gabapentin pediatric dose for neuropathic pain: start at 5 mg/kg/dose with gradual titration to a usual range of 3–12 mg/kg/dose three times daily.
- [Gentamicin Pediatric Dose — Antimicrobial Dosing Guide](https://clinideck.com/gentamicin-pediatric-dose/): Complete gentamicin pediatric dose guide covering term neonates, infants, children, and cystic fibrosis patients with per-kg dosing and monitoring pearls.
- [Glucagon Pediatric Dose — Toxicology & Hypoglycemia](https://clinideck.com/glucagon-pediatric-dose/): Glucagon pediatric dose for insulin-induced hypoglycemia and beta-blocker overdose, including IV, IM, and SQ routes with weight-based dosing guidance.
- [Hydralazine Pediatric Dose — Hypertensive Urgency](https://clinideck.com/hydralazine-pediatric-dose/): Review the hydralazine pediatric dose for hypertensive urgency: 0.1–0.2 mg/kg/dose IV every 1–2 hours PRN, with a 20 mg/dose maximum.
- [Hydrocortisone Pediatric Dose — Steroids & Stress Dosing](https://clinideck.com/hydrocortisone-pediatric-dose/): Complete hydrocortisone pediatric dose reference for stress dosing in children, including weight-based and BSA-based regimens for clinicians and residents.
- [Hydromorphone Pediatric Dose — Pain Management](https://clinideck.com/hydromorphone-pediatric-dose/): Evidence-based hydromorphone pediatric dose reference for IV and PO analgesia, including per-kg calculations and adult dose comparisons for clinical use.
- [Ibuprofen Pediatric Dose — Analgesia & Antipyresis](https://clinideck.com/ibuprofen-pediatric-dose/): Learn the ibuprofen pediatric dose for analgesia and antipyresis: 10 mg/kg PO every 6 hours PRN, with key age and dose-cap guidance.
- [Insulin + Glucose Pediatric Dose — Hyperkalemia](https://clinideck.com/insulin-regular-glucose-pediatric-dose-hyperkalemia/): Insulin regular plus glucose pediatric dose for hyperkalemia: 0.1 unit/kg insulin with 0.5 g/kg glucose infused over 30–60 minutes.
- [Ipratropium Pediatric Dose — Asthma & Respiratory](https://clinideck.com/ipratropium-pediatric-dose/): Ipratropium pediatric dose for acute asthma: 0.5 mg inhaled every 20 min × 3 doses in the ED, then every 6–8 hours for 24 hours.
- [Kayexalate Pediatric Dose — Hyperkalemia Management](https://clinideck.com/kayexalate-pediatric-dose/): Kayexalate pediatric dose for hyperkalemia: 1 g/kg PO or 1.5–2 g/kg PR mixed with 20% sorbitol for potassium reduction.
- [Ketamine Pediatric Dose — Sedation & Procedural Use](https://clinideck.com/ketamine-pediatric-dose/): Explore ketamine pediatric dose guidelines for IV sedation and IM procedural sedation, including per-kg calculations and key administration pearls.
- [Ketorolac Pediatric Dose — Analgesics](https://clinideck.com/ketorolac-pediatric-dose/): Review the ketorolac pediatric dose: 0.5 mg/kg IV every 6 hours (max 30 mg/dose) for short-term pain management in children ≥2 months.
- [Labetalol Pediatric Dose — Cardiovascular Infusions](https://clinideck.com/labetalol-pediatric-dose-cardiovascular-infusions/): Labetalol pediatric dose for continuous infusion: 0.4–1 mg/kg/hr IV, with a maximum of 3 mg/kg/hr for hypertensive management.
- [Labetalol Pediatric Dose — Hypertensive Urgency](https://clinideck.com/labetalol-pediatric-dose/): Review the labetalol pediatric dose for hypertensive urgency: 0.2 mg/kg IV every 1–2 hours PRN, with a maximum of 20 mg per dose.
- [Lactulose Pediatric Dose — Constipation Treatment](https://clinideck.com/lactulose-pediatric-dose-constipation/): Review the lactulose pediatric dose for constipation: 1–3 mL/kg/day divided every 8–12 hours, with a maximum of 60 mL/day.
- [Levetiracetam Pediatric Dose — Anticonvulsant](https://clinideck.com/levetiracetam-pediatric-dose/): Evidence-based levetiracetam pediatric dose guide covering IV/PO loading, initial, and maintenance dosing for seizure management in children.
- [Lidocaine Pediatric Dose — Resuscitation](https://clinideck.com/lidocaine-pediatric-dose-resuscitation/): Review the lidocaine pediatric dose for resuscitation: 1 mg/kg IV/IO bolus, with practical dosing examples and administration pearls.
- [Lorazepam Pediatric Dose — Sedation & Anxiolysis](https://clinideck.com/lorazepam-pediatric-dose-2/): Review the lorazepam pediatric dose for sedation and anxiolysis: 0.05–0.1 mg/kg IV/PO every 6 hours, with a maximum of 4 mg per dose.
- [Lorazepam Pediatric Dose — Seizure Management](https://clinideck.com/lorazepam-pediatric-dose/): Lorazepam pediatric dose for acute seizures: 0.1 mg/kg IV per dose, max 4 mg, repeatable every 10–15 minutes in children.
- [Magnesium Sulfate Pediatric Dose — Asthma & Respiratory](https://clinideck.com/magnesium-sulfate-pediatric-dose-asthma/): Magnesium sulfate pediatric dose for acute severe asthma: 25–75 mg/kg IV over 20 min, max 2 g/dose. Essential reference for PICU and EM clinicians.
- [Magnesium Sulfate Pediatric Dose — Electrolyte Replacement](https://clinideck.com/magnesium-sulfate-pediatric-dose-electrolyte-replacement/): Review the magnesium sulfate pediatric dose for electrolyte replacement: 25–50 mg/kg IV over 2 hours, with a maximum of 2 g per dose.
- [Meropenem Pediatric Dose — Antimicrobial Reference](https://clinideck.com/meropenem-pediatric-dose/): Meropenem pediatric dose guide for clinicians: 20 mg/kg/dose IV every 8 hours, with adult cap of 1 g/dose, indications, and administration pearls.
- [Methadone Pediatric Dose — Analgesia](https://clinideck.com/methadone-pediatric-dose/): Methadone pediatric dose for analgesia starts at 0.1 mg/kg IV/PO every 6 hours; conversion is highly variable and requires specialist guidance.
- [Methylprednisolone Pediatric Dose — Acute Allergy](https://clinideck.com/methylprednisolone-pediatric-dose-acute-allergy/): Learn the methylprednisolone pediatric dose for acute allergic reactions: 2 mg/kg IV per dose, with a maximum of 60 mg per dose.
- [Methylprednisolone Pediatric Dose — Asthma & Respiratory](https://clinideck.com/methylprednisolone-pediatric-dose-asthma/): Methylprednisolone pediatric dose for asthma: IV loading and maintenance dosing guidance for clinicians managing acute pediatric respiratory exacerbations.
- [Methylprednisolone Pediatric Dose — Steroids](https://clinideck.com/methylprednisolone-pediatric-dose/): Methylprednisolone pediatric dose guide covering general IV corticosteroid dosing and acute spinal cord injury protocols for clinical reference.
- [Metoclopramide Pediatric Dose — Gastrointestinal](https://clinideck.com/metoclopramide-pediatric-dose/): Metoclopramide pediatric dose is 0.1 mg/kg IV or PO every 6 hours, with a maximum of 10 mg per dose, for GI motility indications.
- [Metolazone Pediatric Dose — Diuretics](https://clinideck.com/metolazone-pediatric-dose/): Metolazone pediatric dose: 0.1–0.2 mg/kg/dose PO every 12 hours; for patients over 40 kg, the adult dose of 5–10 mg/day applies.
- [Metronidazole Pediatric Dose — Antimicrobial Reference](https://clinideck.com/metronidazole-pediatric-dose/): Metronidazole pediatric dose: 7.5 mg/kg/dose IV or PO every 6 hours for anaerobic and protozoal infections in children.
- [Midazolam Pediatric Dose — Sedation & Anxiolysis](https://clinideck.com/midazolam-pediatric-dose/): Complete midazolam pediatric dose guide covering IV, PO, and intranasal routes for sedation and anxiolysis in infants and children.
- [Midazolam Pediatric Dose — Status Epilepticus](https://clinideck.com/midazolam-pediatric-dose-status-epilepticus/): Midazolam pediatric dose for status epilepticus: 0.1–0.3 mg/kg IM when IV access is unavailable, with a maximum single dose of 10 mg.
- [Milrinone Pediatric Dose — Cardiovascular Infusions](https://clinideck.com/milrinone-pediatric-dose/): Milrinone pediatric dose for cardiovascular support: optional 25–50 mcg/kg load over 30–60 min, then 0.25–1 mcg/kg/min infusion.
- [Morphine Pediatric Dose — Analgesia](https://clinideck.com/morphine-pediatric-dose/): Morphine pediatric dose for analgesia: 0.05–0.1 mg/kg IV q2–4h PRN or 0.2–0.5 mg/kg PO q4–6h; caution in renal failure.
- [Naloxone Pediatric Dose — Opioid Reversal & Toxicology](https://clinideck.com/naloxone-pediatric-dose/): Evidence-based naloxone pediatric dose guide covering respiratory depression and rapid opioid reversal, with per-kg dosing, worked examples, and monitoring pearls.
- [Nicardipine Pediatric Dose — Cardiovascular Infusions](https://clinideck.com/nicardipine-pediatric-dose/): Nicardipine pediatric dose for hypertensive emergencies: 0.25–5 mcg/kg/min IV infusion with CVL administration preferred to minimize volume.
- [Nifedipine Pediatric Dose — Cardiovascular Hypertension](https://clinideck.com/nifedipine-pediatric-dose/): Nifedipine pediatric dose for hypertension: 0.25–0.5 mg/kg/dose PO or NG/ND every 4–6 hours PRN, max 10 mg per dose.
- [Nitroglycerin Pediatric Dose — Cardiovascular Infusions](https://clinideck.com/nitroglycerin-pediatric-dose/): Learn the nitroglycerin pediatric dose for cardiovascular infusions, including weight-based dosing for children and fixed adult dosing for patients ≥40 kg.
- [Nitroprusside Pediatric Dose — Cardiovascular Infusions](https://clinideck.com/nitroprusside-pediatric-dose/): Nitroprusside pediatric dose: 0.5–5 mcg/kg/min continuous infusion for hypertensive emergencies and afterload reduction in children.
- [Norepinephrine Pediatric Dose — Vasopressor Infusion](https://clinideck.com/norepinephrine-pediatric-dose/): Norepinephrine pediatric dose for vasopressor support: 0.05–2 mcg/kg/min IV/IO infusion, titrated to hemodynamic response in shock.
- [Omeprazole Pediatric Dose — Gastrointestinal (GERD/Acid Suppression)](https://clinideck.com/omeprazole-pediatric-dose/): Omeprazole pediatric dose for acid suppression in children under 10 kg: 0.5–1 mg/kg/dose PO daily or every 12 hours per CHKD protocol.
- [Ondansetron Pediatric Dose — Antiemetic for Nausea & Vomiting](https://clinideck.com/ondansetron-pediatric-dose/): Ondansetron pediatric dose is 0.15 mg/kg IV or PO every 8 hours PRN, with a maximum single dose of 8 mg, for nausea and vomiting.
- [Oseltamivir Pediatric Dose — Influenza Treatment](https://clinideck.com/oseltamivir-pediatric-dose/): Oseltamivir pediatric dose by age and weight for influenza treatment: dosing guide for neonates through adolescents, with oral solution concentrations.
- [Oxacillin Pediatric Dose — Bacterial Infections](https://clinideck.com/oxacillin-pediatric-dose/): Learn the oxacillin pediatric dose: 50 mg/kg/dose IV every 6 hours for serious methicillin-sensitive staphylococcal infections in children.
- [Oxcarbazepine Pediatric Dose — Anticonvulsant](https://clinideck.com/oxcarbazepine-pediatric-dose/): Oxcarbazepine pediatric dose: 4–5 mg/kg/dose PO every 12 hours as an initial starting dose for seizure management in children.
- [Oxycodone Pediatric Dose — Pain Management](https://clinideck.com/oxycodone-pediatric-dose/): Review oxycodone pediatric dose guidelines for acute and chronic pain, including per-kg dosing for immediate-release oral formulations in children.
- [Pancuronium Pediatric Dose — Neuromuscular Blockade](https://clinideck.com/pancuronium-pediatric-dose/): Pancuronium pediatric dose for neuromuscular blockade: 0.1 mg/kg IV, lasting 30–60 minutes; avoid in renal failure.
- [Penicillin Pediatric Dose — Antimicrobial Reference](https://clinideck.com/penicillin-pediatric-dose/): Review the penicillin pediatric dose: 250,000–400,000 units/kg/day IV divided every 6 hours, with adult dosing and clinical context for practitioners.
- [Pentobarbital Pediatric Dose — Sedation](https://clinideck.com/pentobarbital-pediatric-dose/): Review the pentobarbital pediatric dose for sedation: 2–3 mg/kg IV/IM per dose, with a maximum of 100 mg per dose and key administration pearls.
- [Phenobarbital Pediatric Dose — Anticonvulsant](https://clinideck.com/phenobarbital-pediatric-dose/): Evidence-based phenobarbital pediatric dose guide covering IV loading and maintenance dosing for seizure management in neonates and children.
- [Phenytoin Pediatric Dose — Anticonvulsant](https://clinideck.com/phenytoin-pediatric-dose/): Evidence-based phenytoin pediatric dose guide covering IV loading and maintenance dosing for seizure management in neonates, infants, and children.
- [Piperacillin-Tazobactam Pediatric Dose — Antimicrobials](https://clinideck.com/piperacillin-tazobactam-pediatric-dose/): Piperacillin-tazobactam pediatric dose: 80 mg/kg/dose IV every 8 hours for broad-spectrum coverage of serious bacterial infections in children.
- [Potassium Chloride Pediatric Dose — Electrolyte Replacement](https://clinideck.com/potassium-chloride-pediatric-dose/): Review potassium chloride pediatric dose guidelines for IV and oral replacement, including monitoring requirements and dosing limits for hypokalemia management.
- [Potassium Phosphate Pediatric Dose — Electrolyte Replacement](https://clinideck.com/potassium-phosphate-pediatric-dose/): Review the potassium phosphate pediatric dose for IV phosphate replacement: 0.2–0.4 mmol/kg per dose infused over 4–8 hours, max 15 mmol/dose.
- [Prednisone & Prednisolone Pediatric Dose — Asthma](https://clinideck.com/prednisone-prednisolone-pediatric-dose-asthma/): Prednisone/prednisolone pediatric dose for asthma: 1–2 mg/kg/day PO divided every 12–24 hrs, max 60 mg/day. Evidence-based reference for clinicians.
- [Prednisone & Prednisolone Pediatric Dose — Steroids](https://clinideck.com/prednisone-prednisolone-pediatric-dose/): Prednisone/prednisolone pediatric dose: 1–2 mg/kg/day PO divided every 12–24 hours, with a usual adult maximum of 60 mg/day.
- [Propranolol Pediatric Dose — Cardiovascular Indications](https://clinideck.com/propranolol-pediatric-dose/): Reference guide for propranolol pediatric dose covering oral and IV routes for cardiovascular indications, with per-kg calculations and key clinical pearls.
- [Pulseless Ventricular Tachycardia Pediatric Dose — Defibrillation](https://clinideck.com/pulseless-ventricular-tachycardia-pediatric-dose/): Pulseless ventricular tachycardia pediatric dose: 2–4 J/kg unsynchronized defibrillation per PALS guidelines for shockable cardiac arrest rhythms.
- [Racemic Epinephrine Pediatric Dose — Respiratory](https://clinideck.com/racemic-epinephrine-pediatric-dose/): Racemic epinephrine pediatric dose for croup and upper airway obstruction: nebulized 2.25% solution dosed by age/size in children.
- [Ranitidine Pediatric Dose — Gastrointestinal Indications](https://clinideck.com/ranitidine-pediatric-dose/): Review the ranitidine pediatric dose for GI indications: 4–10 mg/kg/day PO divided every 8–12 hours, with adult dosing reference and clinical guidance.
- [Rifampin Pediatric Dose — Antimicrobial Reference](https://clinideck.com/rifampin-pediatric-dose/): Rifampin pediatric dose: 10 mg/kg IV/PO every 12 hours for children, with an adult cap of 300 mg per dose. Full dosing and administration guide.
- [Rocuronium Pediatric Dose — Neuromuscular Blockade](https://clinideck.com/rocuronium-pediatric-dose/): Rocuronium pediatric dose for neuromuscular blockade: 0.5–1 mg/kg IV, the fastest-onset nondepolarizing agent used in rapid sequence intubation.
- [Sodium Chloride 3% Pediatric Dose — Hyponatremia](https://clinideck.com/sodium-chloride-3-percent-pediatric-dose/): Sodium chloride 3% pediatric dose for symptomatic hyponatremia: 4–6 mL/kg IV over 15–30 min in ICU or ED settings only.
- [Sodium Phosphate Pediatric Dose — Electrolyte Replacement](https://clinideck.com/sodium-phosphate-pediatric-dose/): Learn the sodium phosphate pediatric dose for IV phosphate replacement: 0.2–0.4 mmol/kg per dose over 4–8 hours, max 15 mmol/dose.
- [Spironolactone Pediatric Dose — Diuretics](https://clinideck.com/spironolactone-pediatric-dose/): Review the spironolactone pediatric dose for diuresis: 1–3 mg/kg/day PO divided every 12 hours, with clinical context and monitoring guidance.
- [Terbutaline Pediatric Dose — Asthma & Respiratory](https://clinideck.com/terbutaline-pediatric-dose/): Terbutaline pediatric dose for severe asthma: IV bolus and continuous infusion dosing with titration guidance for pediatric and PICU clinicians.
- [Theophylline Pediatric Dose — Asthma & Respiratory](https://clinideck.com/theophylline-pediatric-dose/): Theophylline pediatric dose: IV loading dose and age-based continuous infusion rates for bronchospasm and acute asthma management in children.
- [Tobramycin Pediatric Dose — Antimicrobial Dosing Guide](https://clinideck.com/tobramycin-pediatric-dose/): Tobramycin pediatric dose ranges from 2.5 mg/kg/dose in neonates to 10 mg/kg/day in cystic fibrosis patients; review full weight-based dosing here.
- [Tramadol Pediatric Dose — Analgesics](https://clinideck.com/tramadol-pediatric-dose/): Tramadol pediatric dose for pain management: 1–2 mg/kg/dose PO every 4–6 hours PRN, with an adult maximum of 400 mg per day.
- [Trimethoprim/Sulfamethoxazole Pediatric Dose — Antimicrobial](https://clinideck.com/trimethoprim-sulfamethoxazole-pediatric-dose/): Trimethoprim/sulfamethoxazole pediatric dose guide covering mild infections, PCP treatment, and prophylaxis with per-kg dosing for clinicians.
- [Valproic Acid Pediatric Dose — Anticonvulsant](https://clinideck.com/valproic-acid-pediatric-dose/): Valproic acid pediatric dose: initial 10–15 mg/kg/day PO, titrated to maintenance 30–60 mg/kg/day for seizure management in children.
- [Vancomycin Pediatric Dose — Antimicrobial Dosing Guide](https://clinideck.com/vancomycin-pediatric-dose/): Vancomycin pediatric dose: 15 mg/kg IV every 8 hours; increased to every 6 hours for meningitis or ventriculitis in children.
- [Vasopressin Pediatric Dose — Cardiac Arrest Resuscitation](https://clinideck.com/vasopressin-pediatric-dose/): Vasopressin pediatric dose for epinephrine-refractory cardiac arrest: 0.5–1 unit/kg IV/IO bolus, max 40 units. Not routinely recommended.
- [Vasopressin Pediatric Dose — Cardiovascular Infusions](https://clinideck.com/vasopressin-pediatric-dose-2/): Vasopressin pediatric dose for shock: weight-based infusion starting at 0.5–2 milliunits/kg/min, titrated to blood pressure response in children under 40 kg.
- [Vecuronium Pediatric Dose — Neuromuscular Blockade](https://clinideck.com/vecuronium-pediatric-dose/): Vecuronium pediatric dose for neuromuscular blockade: 0.1–0.2 mg/kg IV, with duration of 20–40 minutes per dose.
- [Ventricular Fibrillation Pediatric Dose — Defibrillation](https://clinideck.com/ventricular-fibrillation-pediatric-dose-defibrillation/): Learn the ventricular fibrillation pediatric dose for defibrillation: 2–4 J/kg unsynchronized shock per PALS guidelines for shockable rhythms.
- [Ventricular Tachycardia with Pulse Pediatric Dose — Cardioversion](https://clinideck.com/ventricular-tachycardia-with-pulse-pediatric-dose/): Pediatric dose for synchronized cardioversion of ventricular tachycardia with pulse: 0.5–2 J/kg; review technique and monitoring essentials.

## Bone Age Atlas

- [Bone Age in Boys Aged 8 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-8-months/): A concise Greulich-Pyle bone age reference for boys at 8 months, covering expected ossification centers and key clinical considerations.
- [Bone Age in Boys Aged 10 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-10-months/): A Greulich-Pyle reference guide to expected bone age findings on hand and wrist X-ray in boys aged 10 months, covering ossification centers and clinical pearls.
- [Bone Age in Boys Aged 12 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-12-months/): Explore expected bone age findings in 12-month-old boys using the Greulich-Pyle atlas, including ossification centers and clinical interpretation guidance.
- [Bone Age in Boys Aged 14 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-14-months/): Explore expected bone age findings in boys at 14 months using the Greulich-Pyle atlas, including key ossification centers and clinical interpretation pearls.
- [Bone Age in Boys Aged 16 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-16-months/): A Greulich-Pyle reference guide to expected bone age findings in boys at 16 months, covering ossification centers and clinical interpretation.
- [Bone Age in Boys Aged 18 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-18-months/): A concise Greulich-Pyle reference for bone age assessment in boys at 18 months, covering expected ossification centers and key clinical pearls.
- [Bone Age in Boys Aged 20 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-20-months/): A Greulich-Pyle bone age reference for boys at 20 months, covering expected ossification centers, skeletal maturation milestones, and key clinical pearls.
- [Bone Age in Boys Aged 24 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-24-months/): A clinician's guide to Greulich-Pyle bone age assessment in boys at 24 months, covering expected ossification centers and key clinical pearls.
- [Bone Age in Boys Aged 28 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-28-months/): Explore expected bone age findings in boys at 28 months using the Greulich-Pyle atlas, including key ossification centers and clinical interpretation pearls.
- [Bone Age in Boys Aged 30 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-30-months/): Explore expected bone age findings in boys aged 30 months using the Greulich-Pyle atlas, including key carpal ossification centers and clinical implications.
- [Bone Age in Boys Aged 3 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-3-years/): Explore expected Greulich-Pyle bone age findings in 3-year-old boys, including ossification centers, carpal landmarks, and clinical interpretation pearls.
- [Bone Age in Boys Aged 3.5 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-3-5-years/): Explore Greulich-Pyle bone age standards for boys aged 3.5 years, including expected ossification centers, skeletal maturation milestones, and clinical interpretation pearls.
- [Bone Age in Boys Aged 4 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-4-years/): Explore expected bone age findings in 4-year-old boys using the Greulich-Pyle atlas, including carpal ossification centers and key skeletal milestones.
- [Bone Age in Boys Aged 4.5 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-4-5-years/): Explore expected bone age findings in boys aged 4.5 years using the Greulich-Pyle atlas, including ossification centers and clinical interpretation pearls.
- [Bone Age in Boys Aged 5 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-5-years/): Explore Greulich-Pyle bone age assessment for boys aged 5 years, including expected ossification centers, skeletal landmarks, and clinical interpretation guidance.
- [Bone Age in Boys Aged 5.5 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-5-5-years/): Explore expected bone age findings in boys aged 5.5 years using the Greulich-Pyle atlas, including ossification centers and clinical interpretation guidance.
- [Bone Age in Boys Aged 6 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-6-years/): Explore expected bone age findings in 6-year-old boys using the Greulich-Pyle atlas, including ossification centers and clinical interpretation pearls.
- [Bone Age in Boys Aged 7 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-7-years/): Explore expected bone age findings in 7-year-old boys using the Greulich-Pyle atlas, including key ossification centers and clinical interpretation pearls.
- [Bone Age in Boys Aged 8 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-8-years/): Explore Greulich-Pyle bone age findings in 8-year-old boys, including expected ossification centers, skeletal maturation landmarks, and key clinical pearls.
- [Bone Age in Boys Aged 9 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-9-years/): A concise Greulich-Pyle reference for bone age assessment in 9-year-old boys, covering expected ossification centers and key clinical considerations.
- [Bone Age in Boys Aged 10 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-10-years/): Explore Greulich-Pyle bone age norms for boys aged 10 years, including expected ossification centers, epiphyseal landmarks, and clinical interpretation pearls.
- [Bone Age in Boys Aged 11 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-11-years/): A concise Greulich-Pyle reference for bone age assessment in boys aged 11 years, covering expected ossification centers, skeletal maturity, and clinical interpretation.
- [Bone Age in Boys Aged 12 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-12-years/): Explore Greulich-Pyle bone age norms for 12-year-old boys, including expected ossification centers, epiphyseal landmarks, and clinical interpretation pearls.
- [Bone Age in Boys Aged 13 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-13-years/): A Greulich-Pyle reference guide to expected bone age findings on hand and wrist X-ray in boys aged 13 years, covering ossification milestones and clinical interpretation.
- [Bone Age in Boys Aged 14 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-14-years/): Explore Greulich-Pyle bone age findings in 14-year-old boys, including expected ossification centers, epiphyseal maturation, and clinical interpretation pearls.
- [Bone Age in Boys Aged 15 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-15-years/): A Greulich-Pyle reference guide to expected bone age findings on hand and wrist X-ray in boys aged 15 years, covering ossification and clinical interpretation.
- [Bone Age in Boys Aged 16 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-16-years/): Explore Greulich-Pyle bone age assessment for 16-year-old boys, including expected ossification centers, epiphyseal fusion, and key clinical considerations.
- [Bone Age in Boys Aged 17 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-17-years/): Explore Greulich-Pyle bone age assessment in 17-year-old boys, including expected ossification centers, epiphyseal fusion milestones, and key clinical considerations.
- [Bone Age in Boys Aged 18 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-boys-18-years/): Explore Greulich-Pyle bone age assessment in 18-year-old boys, including expected skeletal maturity findings, epiphyseal fusion milestones, and clinical interpretation pearls.
- [Bone Age in Girls Aged 8 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-8-months/): Explore Greulich-Pyle bone age findings in girls at 8 months, including expected ossification centers and key clinical pearls for skeletal maturation assessment.
- [Bone Age in Girls Aged 10 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-10-months/): A concise Greulich-Pyle reference for bone age assessment in girls at 10 months, covering expected ossification centers and key clinical pearls.
- [Bone Age in Girls Aged 12 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-12-months/): Explore expected bone age findings in girls at 12 months using the Greulich-Pyle atlas, including key ossification centers and clinical interpretation pearls.
- [Bone Age in Girls Aged 14 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-14-months/): A Greulich-Pyle bone age reference for girls at 14 months, covering expected ossification centers, skeletal maturation milestones, and clinical interpretation pearls.
- [Bone Age in Girls Aged 16 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-16-months/): A clinical reference for bone age assessment in girls aged 16 months using the Greulich-Pyle atlas, covering expected ossification centers and key findings.
- [Bone Age in Girls Aged 18 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-18-months/): A clinical reference for bone age assessment in girls at 18 months using the Greulich-Pyle atlas, covering expected ossification centers and key pearls.
- [Bone Age in Girls Aged 20 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-20-months/): Explore expected bone age findings in girls at 20 months using the Greulich-Pyle atlas, including ossification centers and clinical interpretation pearls.
- [Bone Age in Girls Aged 2 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-2-years/): Explore Greulich-Pyle bone age norms for girls at 2 years, including expected carpal ossification centers and key clinical implications for skeletal maturity assessment.
- [Bone Age in Girls Aged 28 Months — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-28-months/): A concise Greulich-Pyle reference for bone age assessment in girls aged 28 months, covering expected ossification centers and key clinical pearls.
- [Bone Age in Girls Aged 2.5 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-2-5-years/): Explore expected bone age findings in girls aged 2.5 years using the Greulich-Pyle atlas, including ossification centers and clinical interpretation pearls.
- [Bone Age in Girls Aged 3 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-3-years/): Explore expected bone age findings in 3-year-old girls using the Greulich-Pyle atlas, including carpal ossification centers and key skeletal maturation milestones.
- [Bone Age in Girls Aged 3.5 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-3-5-years/): Explore expected bone age findings in girls aged 3.5 years using the Greulich-Pyle atlas, including carpal ossification centers and epiphyseal landmarks.
- [Bone Age in Girls Aged 4 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-4-years/): Explore Greulich-Pyle bone age norms for girls aged 4 years, including expected carpal ossification centers and key clinical interpretations.
- [Bone Age in Girls Aged 4.5 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-4-5-years/): A clinical reference for bone age assessment in girls aged 4.5 years using the Greulich-Pyle atlas, covering expected ossification centers and skeletal maturation milestones.
- [Bone Age in Girls Aged 5 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-5-years/): Explore Greulich-Pyle bone age norms for girls aged 5 years, including expected ossification centers, carpal landmarks, and key clinical considerations.
- [Bone Age in Girls Aged 5.5 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-5-years-6-months/): Explore Greulich-Pyle bone age assessment for girls aged 5.5 years, including expected ossification centers, skeletal maturation milestones, and clinical interpretation pearls.
- [Bone Age in Girls Aged 6 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-6-years/): Explore Greulich-Pyle bone age assessment for girls aged 6 years, including expected ossification centers, skeletal maturation milestones, and key clinical pearls.
- [Bone Age in Girls Aged 7 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-7-years/): Explore expected bone age findings in 7-year-old girls using the Greulich-Pyle atlas, including key ossification centers and clinical interpretation pearls.
- [Bone Age in Girls Aged 8 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-8-years/): Explore expected bone age findings in 8-year-old girls using the Greulich-Pyle atlas, including ossification centers and clinical interpretation guidance.
- [Bone Age in Girls Aged 9 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-9-years/): Explore expected bone age findings in 9-year-old girls using the Greulich-Pyle atlas, including carpal ossification and epiphyseal maturation milestones.
- [Bone Age in Girls Aged 10 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-10-years/): Explore expected bone age findings in 10-year-old girls using the Greulich-Pyle atlas, including carpal ossification and epiphyseal maturation milestones.
- [Bone Age in Girls Aged 11 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-11-years/): Explore expected bone age findings in 11-year-old girls using the Greulich-Pyle atlas, covering ossification centers, epiphyseal maturation, and clinical interpretation.
- [Bone Age in Girls Aged 12 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-12-years/): Explore expected bone age findings in 12-year-old girls using the Greulich-Pyle atlas, including carpal and epiphyseal landmarks for skeletal maturity assessment.
- [Bone Age in Girls Aged 13 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-13-years/): Explore Greulich-Pyle bone age assessment for girls aged 13 years, including expected ossification centers, epiphyseal maturation, and key clinical pearls.
- [Bone Age in Girls Aged 14 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-14-years/): Explore Greulich-Pyle bone age assessment for girls aged 14 years, including expected ossification centers, epiphyseal fusion, and key clinical considerations.
- [Bone Age in Girls Aged 15 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-15-years/): A Greulich-Pyle reference guide to expected bone age findings on hand and wrist X-ray in girls aged 15 years, covering ossification and clinical interpretation.
- [Bone Age in Girls Aged 16 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-16-years/): Explore Greulich-Pyle bone age assessment for girls aged 16 years, including expected ossification centers, epiphyseal fusion, and key clinical considerations.
- [Bone Age in Girls Aged 17 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-17-years/): Explore Greulich-Pyle bone age assessment for girls aged 17 years, including expected ossification centers, epiphyseal fusion landmarks, and key clinical considerations.
- [Bone Age in Girls Aged 18 Years — Greulich-Pyle Hand and Wrist X-Ray Reference](https://clinideck.com/bone-age-girls-18-years/): Explore Greulich-Pyle bone age assessment for 18-year-old girls, including expected skeletal maturity, epiphyseal fusion, and clinical interpretation pearls.