Medical Calculators

Evidence-based medical calculators and clinical scoring tools.

577 calculators · Page 4 of 20

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Burch-Wartofsky Point Scale (BWPS) for Thyrotoxicosis
Predicts likelihood that biochemical thyrotoxicosis is thyroid storm.
Bush-Francis Catatonia Rating Scale
Assesses catatonia severity and screens for catatonia in psychiatric and neurologic conditions.
BWH Egg Freezing Counseling Tool (EFCT)
Predicts likelihood of live birth for elective egg freezing in women.

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CAGE Questions for Alcohol Use
Screens for excessive drinking and alcoholism.
Calcium Correction for Hypoalbuminemia and Hyperalbuminemia
Calculates a corrected calcium level for patients with hypoalbuminemia or hyperalbuminemia.
Cambridge Diabetes Risk Score
Predicts risk of having previously undiagnosed type 2 diabetes.
Canadian C-Spine Rule
Clinically clears cervical spine fracture without imaging in alert, stable trauma patients.
Canadian Cardiovascular Society (CCS) Angina Grade
Classifies severity of angina.
Canadian CT Head Injury/Trauma Rule
Rules out need for head CT in minor head trauma.
Canadian Syncope Risk Score
Predicts 30-day serious adverse events in patients presenting with syncope.
Caprini Score for Venous Thromboembolism (2005)
Stratifies VTE risk in surgical patients, guiding prophylaxis decisions.
Cardiac Anesthesia Risk Evaluation Score (CARE)
Predicts mortality and morbidity after cardiac surgery.
Cardiac Output (Fick’s Formula)
Calculates cardiac output, cardiac index, and stroke volume.
CART (Cardiac Arrest Risk Triage) Score
Predicts risk of in-hospital cardiac arrest.
CASPAR Criteria for Psoriatic Arthritis
Provides classification criteria for psoriatic arthritis.
CATCH (Canadian Assessment of Tomography for Childhood Head injury) Rule
Predicts clinically significant head injuries in children.
CEDOCS Score for Emergency Department Overcrowding
Estimates severity of overcrowding in community emergency departments.
Centor Score (Modified/McIsaac) for Strep Pharyngitis
Estimates probability that pharyngitis is streptococcal, and suggests management course.
Cerebral Perfusion Pressure
Calculates blood flow to the brain.
CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk
Calculates stroke risk for patients with atrial fibrillation.
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
Predicts death, need for neurosurgical intervention or CT abnormality in children with head trauma.
Charlson Comorbidity Index (CCI)
Predicts 10-year survival in patients with multiple comorbidities.
Child-Pugh Score for Cirrhosis Mortality
Estimates cirrhosis severity.
Children's 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
Predicts intracranial traumatic CT findings in patients with minor head trauma.
CholeS Score for Duration of Laparoscopic Cholecystectomy
Predicts operative time of laparoscopic cholecystectomy.
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
The CIWA-Ar objectifies severity of alcohol withdrawal.
CKD Prediction in HIV+ Patients
Determines probability of HIV patients developing CKD in the next 5 years, if they take tenofivir or not.