Cardiology · Emergency Medicine · Internal Medicine

TIMI Risk Score for UA/NSTEMI calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Age ≥65 yearsAt least 3 coronary artery disease risk factorsKnown coronary stenosis ≥50%ST-segment deviation on presentationAt least 2 anginal events in the previous 24 hoursAspirin use in the previous 7 daysElevated cardiac biomarkers

Result

TIMI score 0–1

Published 14-day event rate: 4.7%. Use an ACS pathway and clinical judgment.

Formula inputs

Age ≥65 years
At least 3 coronary artery disease risk factors
Known coronary stenosis ≥50%
ST-segment deviation on presentation
At least 2 anginal events in the previous 24 hours
Aspirin use in the previous 7 days
Elevated cardiac biomarkers

Primary source

Antman EM et al. The TIMI risk score for unstable angina/non-ST elevation MI. JAMA (2000)

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