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TIMI Risk Score for ST-Elevation Myocardial Infarction (STEMI)

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Clinical feature /   Points

Age 75 years or older?  (Points: 3 )
Age 65 to 74?   (Points: 2 )
Systolic blood pressure < 100 mmHg?  (Points: 3 )
Heart rate > 100 BPM?   (Points: 2 )
Killip II-IV?  (Points: 2 )
Anterior ST-elevation or LBBB? (Points: 1)
Diabetes, history of HTN, or angina?   (Points: 1 )
Weight < 67 kg?   (Points: 1 )
Time to treatment > 4 hours?   (Points: 1 )


Risk Score TIMI risk score for STEMI for predicting 30 day mortality.1
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%

[1 ]   Morrow DA, Antman EM, Charlesworth A, Cairns R, Murphy SA, de Lemos JA, Giugliano RP, McCabe CH, Braunwald E.  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.

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