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Calculator: Thrombolysis in Myocardial Infarction (TIMI) score for ST elevation MI in adults

Calculator: Thrombolysis in Myocardial Infarction (TIMI) score for ST elevation MI in adults


DM, history of HTN, or history of angina (1 point)

Systolic blood pressure less than 100 mmHg (3 points)

Heart rate greater than 100 BPM (2 points)

Killip class II to IV (2 points)

Body weight less than 150 lb or 67 kg (1 point)

Anterior lead ST elevation or left BBB (1 point)

Time to treat more than 4 hours (1 point)

≥75 years old (3 points)

65 to 74 years old (2 points)

Less than 65 years old (0 points)

Important: Inputs must be complete to perform calculation.

Total criteria point count:


TIMI risk score and predicted 30-day mortality after an MI

TIMI risk score (points) Predicted 30-day mortality following MI
0 0.8%
1 1.6%
2 2.2%
3 4.4%
4 7.3%
5 12%
6 16%
7 23%
8 27%
9 to 14 36%

  • Entry criteria: Chest pain for more than 30 minutes, ST elevation, symptom onset less than 6 hours, fibrinolytic eligible.
  • DM: diabetes mellitus; HTN: hypertension; BPM: beats per minute; BBB: bundle branch block.

Only digits 0 to 9 and a single decimal point (".") are acceptable as numeric inputs. Attempted input of other characters into a numeric field may lead to an incorrect result.

Information on this page may not appear correctly if printed.

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Topic 13467 Version 9.0