what is a chemical stress test used for

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A stress test is used tomake sure the heart muscles are able to get enough blood when the heart rate and workload are increased. To do this,your heart needs to be looked at during a period of rest and then again during a period of increased activity. A chemical stress test uses chemical agents injected into the body through the vein.

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A chemical stress test uses chemical agents injected into the body through the vein. These chemicals make the heart function as if it were under stress. There are many different ways to examine the heart during a stress test. The heart can be examined with:

A stress test, also called an exercise stress test, shows how your heart works during physical activity. Because exercise makes your heart pump harder and faster, an exercise stress test can reveal problems with blood flow within your heart.

Chemical stress testing may be the only type of test that is available to you because of other health conditions. If you have joint concerns, asthma, COPD or other breathing issues than this may be the only way to stress your heart safely.

Because exercise makes your heart pump harder and faster, an exercise stress test can reveal problems with blood flow within your heart. A stress test usually involves walking on a treadmill or riding a stationary bike while your heart rhythm, blood pressure and breathing are monitored.