Duke Treadmill Score
Duke Treadmill Score
The Duke Treadmill Score (DTS) is a predictive tool used in medicine to evaluate a patient's risk of coronary artery disease (CAD) and other related cardiovascular diseases. Pronounced as "duke tread-mill score", the term is named after the Duke University Medical Center, where it was first developed.
Etymology
The term "Duke Treadmill Score" is derived from the name of the institution where it was first developed, the Duke University Medical Center. The word "treadmill" refers to the exercise equipment used during the stress test, and "score" refers to the numerical value assigned based on the patient's performance and physiological response to the test.
Definition
The Duke Treadmill Score is a calculation derived from three components of the treadmill exercise test: exercise time using standard Bruce protocol, maximum net ST segment deviation (depression or elevation), and the angina index. The formula for calculating the DTS is:
DTS = Exercise time - (5 x ST deviation) - (4 x Angina index)
Related Terms
- Bruce Protocol: A diagnostic test used in the evaluation of cardiac function, that involves the patient walking on a treadmill while the heart is monitored.
- Coronary Artery Disease: A disease that develops when the major blood vessels that supply the heart with blood, oxygen and nutrients become damaged or diseased.
- Angina: A type of chest pain caused by reduced blood flow to the heart.
- ST Segment: The flat section of the ECG line tracing, which represents the interval between ventricular depolarization and repolarization.
See Also
External links
- Medical encyclopedia article on Duke Treadmill Score
- Wikipedia's article - Duke Treadmill Score
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