Mortality Risk at 30 Days in STEMI

Mortality Risk at 30 Days in STEMI

Risk Factor

Points

Age 75 years

3

Age 65–74 years

2

Diabetes mellitus, hypertension, or angina

1

Systolic blood pressure < 100 mm Hg

3

Heart rate > 100 beats/minute

2

Killip class II–IV

2

Weight < 67 kg

1

Anterior ST-elevation or left branch bundle block

1

Time to treatment > 4 hours

1

Total points possible

0–14

Risk

Total Points

Mortality Rate at 30 Days (%)

0

0.8

1

1.6

2

2.2

3

4.4

4

7.3

5

12.4

6

16.1

7

23.4

8

26.8

> 8

35.9

MI = myocardial infarction; STEMI = ST-segment elevation MI; TIMI = thrombolysis in MI.

Based on Morrow DA, Antman EM, Charlesworth A, 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;102 (17):2031-2037. doi:10.1161/01.cir.102.17.2031 and Rao SV, O'Donoghue ML, Ruel M, et al. 2025 ACC/AHA/ACEP/NAEMSP/SCAI Guideline for the Management of Patients With Acute Coronary Syndromes: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines. Circulation. 2025;151(13):e771-e862. doi:10.1161/CIR.0000000000001309.

MI = myocardial infarction; STEMI = ST-segment elevation MI; TIMI = thrombolysis in MI.

Based on Morrow DA, Antman EM, Charlesworth A, 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;102 (17):2031-2037. doi:10.1161/01.cir.102.17.2031 and Rao SV, O'Donoghue ML, Ruel M, et al. 2025 ACC/AHA/ACEP/NAEMSP/SCAI Guideline for the Management of Patients With Acute Coronary Syndromes: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines. Circulation. 2025;151(13):e771-e862. doi:10.1161/CIR.0000000000001309.