TIMI Risk Score Calculator for UA/NSTEMI
The TIMI Risk Score for unstable angina and NSTEMI predicts the 14-day composite of all-cause mortality, new or recurrent myocardial infarction, and severe recurrent ischaemia requiring urgent revascularisation. The score uses seven binary clinical and electrocardiographic variables and totals 0–7. It supports early risk stratification in the emergency department and inpatient telemetry settings. ESC NSTE-ACS guidelines and ACC/AHA NSTE-ACS guidelines reference TIMI alongside the GRACE score for risk stratification; higher scores often align with earlier invasive strategies in suitable patients.
This tool is for educational and decision-support use only. It does not replace independent clinical judgement. Always verify against the current guideline, FDA label, or specialty reference cited below before acting. Do not enter patient identifiers (name, MRN, dates of service).
Tool
Who this is for
- Emergency physicians evaluating chest pain
- Internal medicine and cardiology residents on telemetry
- Hospitalists managing UA/NSTEMI
How to interpret the result
| Score / band | Interpretation |
|---|---|
| 0–2 | Low — 4.7–8.3% 14-day event rate. |
| 3–4 | Moderate — 13.2–19.9% event rate. |
| 5–7 | High — 26.2–40.9% event rate; early invasive strategy commonly considered. |