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What is a nuclear stress test?

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This test helps figure out which parts of your heart aren't working well. The doctor will inject a small amount of radioactive substance into your veins. She'll use a special camera to see the rays it sends out. This will give her clear pictures of your heart tissue on a monitor. She'll take pictures when you're resting and after you exercise. She can spot areas of your heart that aren’t getting enough blood. The test could last to up to 4 hours to allow enough time for the radioactive substance to flow through your body.

From: Heart Disease and Stress Tests WebMD Medical Reference

SOURCE: 

American Heart Association.

Reviewed by Suzanne R. Steinbaum on September 20, 2016

SOURCE: 

American Heart Association.

Reviewed by Suzanne R. Steinbaum on September 20, 2016

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