Abbreviated Mental Test 4 (AMT-4)
AMT-4
What is your age?
What is your date of birth?
What is this place?
What is the current year?
AMT-4 Score:0
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Assesses mental impairment in elderly patients.
Why Use
Easy to use and yields a simple dichotomous outcome. The full AMT has been shown to be infrequently and incorrectly used in practice. The AMT-4 has been shown to have statistically significant close correlation with the full AMT score throughout its range of values.
When to Use
Elderly patients, both outpatient and inpatient.
Formula
Addition of the selected points (ask the patient the following): 0 points 1 point Age Answers incorrectly Answers correctly Date of birth Answers incorrectly Answers correctly Place Answers incorrectly Answers correctly Year Answers incorrectly Answers correctly
Advice
Evaluate for reversible causes of altered mental status in patients deemed to have abnormal cognition.
More Information
Interpretation: AMT-4 Interpretation 4 Normal cognition <4 Abnormal cognition