What is a Stress Test?
The Stress Test is a diagnostic test used to evaluate the adequacy of blood supply to the heart muscle.

The heart muscle receives blood from vessels called coronary arteries. The heart muscle may not receive the blood it needs to function properly if these coronary arteries become partially blocked or narrowed by the accumulation of cholesterol. This narrowing or blockage of the coronary arteries is called coronary arteriosclerosis or, more commonly, coronary artery disease (CAD).

As CAD progresses, the heart muscle when under stress (i.e., when you exercise) may not receive suffiecient blood, resulting in chest pain called angina. If CAD limits blood flow to the heart muscle, this may be detected with the Stress Test.

How should I prepare for the test?

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