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shared by kateireland on 04 Jun 14 - No Cached

shared by kateireland on 04 Jun 14 - No Cached

a safe, radioactive substance called a tracer is injected into your bloodstream through a vein
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travels to your heart and releases energy
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cameras outside of your body detect the energy and use it to create pictures of your heart.
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check how blood is flowing to the heart muscle
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look for damaged heart muscle.
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how well your heart pumps blood to your body
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If you can't exercise, you might be given medicine to increase your heart rate. This is called a pharmacological (FAR-ma-ko-LOJ-ih-kal) stress test.
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