Duke Treadmill Score
| Duke Treadmill Score | |
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| Purpose | predicting the risk of ischemia or infarction |
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Duke Treadmill Score is one of the tools for predicting the risk of ischemia or infarction in the heart muscle.[1] The calculation is done based on the information obtained from an exercise test by this formula:
- [exercise duration by Bruce protocol] - [ 5 × (maximal ST elevation or depression)] - [4 × (treadmill angina index)]
In which, the exercise duration is written in "minutes" and the ST changes in "millimetres".[1] Angina index will be zero if no pain appears during the exercise, one if the pain is limited to the exercise period (typical angina), and two if non-limiting pain occurs which will be a reason to stop exercise test.[2][3]
One year mortality for the results of the Duke treadmill score in one study has been reported as:[4]
- less or equal to -11: 5.25%
- 4 to -10: 1.25%
- more or equal to 5: 0.25%
Further reading[edit | edit source]
Portions of content adapted from Wikipedia's article on Duke Treadmill Score which is released under the CC BY-SA 3.0.
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