TIMI risk score for STEMI
30-day mortality after ST-elevation myocardial infarction treated with fibrinolysis.
Inputs
0 of 1Age
Diabetes, hypertension, or angina
Systolic BP below 100
Heart rate above 100
Killip class II–IV
Weight below 67 kg
Anterior ST elevation or LBBB
Time to treatment over 4 h
When to use
- STEMI at presentation.
Pearls and pitfalls
- Derived in fibrinolysis-eligible patients (InTIME II).
Why use
Quick bedside prognosis.
| Criterion | Points |
|---|---|
| Age: Under 65 | 0 |
| 65–74 | +2 |
| 75+ | +3 |
| Diabetes, hypertension, or angina | +1 |
| Systolic BP below 100 | +3 |
| Heart rate above 100 | +2 |
| Killip class II–IV | +2 |
| Weight below 67 kg | +1 |
| Anterior ST elevation or LBBB | +1 |
| Time to treatment over 4 h | +1 |