The Cardiovascular
ToolsCalculators

Duke treadmill score

Duke treadmill score
Exercise duration
min
Maximum ST deviation
mm
Exercise angina
Complete the fields above to see the result.

When to use

  • Patients undergoing exercise treadmill testing with the Bruce protocol for suspected or known coronary artery disease.

Formula

Score = exercise time (min) − (5 × ST deviation in mm) − (4 × angina index), where the angina index is 0 = none, 1 = non-limiting, 2 = exercise-limiting.

References

  1. Mark DB, et al. Prognostic value of a treadmill exercise score in outpatients with suspected coronary artery disease. N Engl J Med. 1991;325(12):849–53.