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Pharmacological Stress Myocardial Perfusion Imaging Test

The pharmacological stress myocardial perfusion imaging test assesses the blood flow to the heart muscle when the heart is made to work harder (‘stressed’). This test determines the possibility of blockage in one or more coronary arteries. Blood flow in the heart is assessed by injecting a very small amount of a radioactive chemical, usually technetium or thallium, which is absorbed by the heart. The heart is then imaged using a special gamma camera.

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