TIMI score calculator

TIMI UA/NSTEMI Score

TIMI Risk Score for UA/NSTEMI

Risk Factor	No (0)	Yes (+1)
Age ≥65 years	1
≥3 CAD risk factors (HTN, DM, hyperlipidemia, family hx, smoking)	1
Known CAD (stenosis ≥50%)	1
ASA use in past 7 days	1
Severe angina (≥2 episodes in 24h)	1
ST deviation ≥0.5mm	1
Positive cardiac marker (troponin)	1
TIMI Score	/ 7

Interpretation
0-2	Low risk — 4.7-8.3% risk of all-cause mortality, new/recurrent MI, or severe ischemia at 14 days.
3-4	Moderate risk — 13.2-19.9% risk. Consider early invasive strategy.
5-7	High risk — 26.2-40.9% risk. Early invasive strategy recommended.

References
Antman EM, Cohen M, Bernink PJ, et al. The TIMI risk score for unstable angina/non-ST elevation MI. JAMA. 2000;284(7):835-842. PMID 10938172.