Boston Herald

Patient stressed out over treadmill test

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I have a treadmill stress test scheduled to look for heart disease. I know this involves exercising, and I’m worried I’m not physically up to it. Is there another way to gather this informatio­n?

There is another way to conduct a heart stress test that doesn’t involve exercise. Several drugs can be safely used to mimic the effects of exercise or stress on the heart. This is known as a pharmacolo­gical stress imaging study. However, pharmacolo­gical stress testing usually is used only when an exercise stress test can’t be performed due to exercise-limiting problems, such as musculoske­letal problems or poor lung function, and in instances when the resting electrocar­diogram has certain baseline abnormalit­ies or is considered to be non-diagnostic.

A treadmill stress test provides informatio­n about your heart function during exercise. Because exercise makes your heart pump harder and faster and more vigorously than it does during most daily activities, the test may be able to reveal problems within your heart that might not be noticeable otherwise.

If you can walk for more than five minutes on flat ground or up one to two flights of stairs without needing to stop, you can most like- ly exercise enough to participat­e in a treadmill stress test.

An exercise stress test is preferable to one using drugs. Compared with a pharmacolo­gical stress imaging study, an exercise ECG stress test provides different informatio­n with which to assess the condition of your heart and cardiovasc­ular sys- tem and provides health care providers with informatio­n on your exercise heart rate, rhythm or any abnormalit­ies — as measured by an ECG.

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