⚕️ For clinical reference only. Not a substitute for professional judgment.

Duke Treadmill Score Stress ECG

Combines exercise duration, ST deviation, and angina during stress testing to predict 5-year survival and guide angiography.

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Enter stress test results

Enter exercise duration, ST changes, and angina severity.

Exercise Test Parameters

Exercise Duration

minutes (Bruce protocol)

Max ST deviation

Angina during test

Formula & Interpretation

DTS = Exercise time - (5 x ST deviation) - (4 x Angina index) Score >5: Low risk — 5-year survival 97% Score -10 to 4: Moderate risk — 5-year survival 91% Score <-10: High risk — 5-year survival 72% → angiography

References

Mark DB et al. Duke treadmill score. Ann Intern Med. 1987;106:793–800.