TIMI Risk Score for STEMI

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Clinical Use

A bedside risk score for risk assessment and management of fibrinolytic-eligible patients with STEMI

More Info

TIMI risk score for STEMI (ST-elevation myocardial infarction) is a convenient bedside clinical risk score for predicting 30-day mortality at presentation of fibrinolytic-eligible patients with STEMI.

There are 8 independent factors used in this score.

Age < 65 years0
Age 65-742
Age ≥ 753
DM or Hypertension or Angina1
Systolic BP < 100 mmHg3
Heart Rate > 1002
Killip Class II-IV2
Weight < 67kg (147.7 lbs)1
Anterior ST Elevation or LBBB1
Time to Treatment > 4 hours1


Risk of death at 30 days based on TIMI risk score
Risk ScoreRisk of Death at 30 Days


1.Morrow DA et al. TIMI risk score for ST-elevation myocardial infarction: A convenient, bedside, clinical score for risk assessment at presentation: An intravenous nPA for treatment of infarcting myocardium early II trial substudy. Circulation. 2000 Oct 24;102(17):2031-7. Abstract


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Developer: Sirikarn Napan, MD, FACC