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Doctor insights on: Does A Myocardial Perfusion Scan Show Blockage In The Heart

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Does a myocardial perfusion scan show blockage in the heart?

Does a myocardial perfusion scan show blockage in the heart?

Blood Perfusion: The angiogram shows anatomic blockage of coronary arteries. The myocardial perfusion scan shows blood flow to the heart. Blood flow can get past large blockages (shown on angiography) if there are enough small, collateral vessels present. ...Read more

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Perfusion (Definition)

Perfusion usually refers to blood flow into an ...Read more


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I had a large saddle pulmonary embolism 3 months ago & still breathless dr sendin me for a myocardial perfusion scan will this show if clot has gone ?

I had a large saddle pulmonary embolism 3 months ago & still breathless dr sendin me for a myocardial perfusion scan will this show if clot has gone ?

Not necessarily: The myocardial perfusion is designed so we can "surmise" the blood flow to the arteries of the heart by differential distribution of a dye. The pictures will not show the lungs and is not designed for the pulmonary vascular distribution. ...Read more

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Are there any side affects after having a myocardial perfusion scan if so can you tell me please?

Are there any side affects after having a myocardial perfusion scan if so can you tell me please?

Radiation...: Depending on what radiotracer is used, you will be exposed to a small amount of radiation but the benefits of the test should outweigh the risks. Are you having pharmacologic or exercise test? Some of the pharmacologic agents can cause some side effects such as bronchoconstriction but a medication called aminophylline can usually be administered to reverse the side effects. ...Read more

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Could you tell me what is the purpose of a myocardial perfusion scan [nuclear test]?

Could you tell me what is the purpose of a myocardial perfusion scan [nuclear test]?

CAD: The purpose is to diagnose significant coronary artery disease (CAD). If the scan is positive for ischemic changes in the heart, then you will benefit from aggressive medical treatment, angiographic treatment, or surgery. If the scan is negative (and done properly), your risk for CAD or a significant injury such as a heart attack in the next few years is very low. ...Read more

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What are common side effects from the radioisotope in a myocardial perfusion scan?

None: There are no common side-effects from the radioisotope. There have been very rare reports of allergy. There is a theoretical, but unproven risk of the radiation inducing a cancer 10 to 20 years later. There also is a theoretical, but unproven risk of radiation myocarditis. The radiation exposure of 1 rem (about 10 msv ) has not been shown to be harmful. See http://sgoti.Ws/qmhwh7. ...Read more

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Will a myocardial perfusion scan look at the arteries in your neck and head?

Will a myocardial perfusion scan look at the arteries in your neck and head?

Only heart: A cardiac perfusion scan measures the amount of blood supplied to your heart muscle. Radiotracers are injected intravenously and travel through blood to heart muscle. Indications for this study include chest pain, previous heart attack, heart surgery and coronary artery disease. Ultrasound, MRI , ct with contrast, arteriography, and brain scans address issues in head and neck. ...Read more

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What are side effects of a cannula during a myocardial perfusion scan using adenosine?

What are side effects of a  cannula during a myocardial perfusion scan using adenosine?

Skin irritation: I assume you are talking about an IV cannula used to administer the tracer and adenosine. The side-effects are the same as they would be for anyone else getting a cannula: bruising and skin irritation being most common. Generally, the IV cannula itself, properly placed, causes no side-effects, and the primary side-effect is bruising from missed attempts trying to get the IV started. ...Read more

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