TIMI Risk Score for STEMI

Estimates 30-day mortality risk at first contact in adults with ST-elevation myocardial infarction treated with fibrinolysis, from eight bedside clinical items, for early risk stratification; derived in fibrinolytic-treated patients and distinct from the TIMI UA/NSTEMI score.

Age (years)

History of diabetes, hypertension, OR angina (+1)

Systolic BP < 100 mmHg (+3)

Heart rate > 100 bpm (+2)

Weight < 67 kg (147.7 lb) (+1)

Anterior ST elevation OR new/presumed-new LBBB (+1)

Time from symptom onset to treatment > 4 hours (+1)

Killip class (II–IV = +2)