TIMI Risk Score (UA/NSTEMI)
14-day risk of death, MI, or urgent revascularization.
What is TIMI Risk Score (UA/NSTEMI)?
14-day risk of death, MI, or urgent revascularization. TIMI Risk Score is intended for use in: Adults.
How to Use the TIMI Risk Score Calculator
- Enter Age ≥ 65 years.
- Enter ≥ 3 risk factors for CAD (HTN, hyperlipidemia, diabetes, smoker, family history).
- Enter Known CAD (stenosis ≥ 50%).
- Enter Aspirin use in the last 7 days.
- Enter Severe angina — ≥ 2 episodes in the last 24 hours.
- Enter ST-segment deviation ≥ 0.5 mm.
- Enter Elevated cardiac markers (troponin/CK-MB).
- Click Calculate to see your result and interpretation.
Formula & Version
This calculator uses formula version 1.0, last reviewed September 2026.
Clinical Considerations & Limitations
- Developed and validated for unstable angina / NSTEMI — not intended for STEMI risk stratification.
References
- Antman EM et al., JAMA 2000;284:835-842
Frequently Asked Questions
What is TIMI Risk Score (UA/NSTEMI)?
14-day risk of death, MI, or urgent revascularization.
Who is TIMI Risk Score intended for?
Adults. Always confirm applicability to your specific patient before use.
What are the limitations of TIMI Risk Score?
Developed and validated for unstable angina / NSTEMI — not intended for STEMI risk stratification.
What formula or reference does TIMI Risk Score use?
Antman EM et al., JAMA 2000;284:835-842
Is TIMI Risk Score a diagnosis?
No. TIMI Risk Score produces a score or estimate to support clinical decision-making — it is not a diagnosis and should be interpreted alongside full clinical judgement.