What is a nuclear myocardial perfusion study?

Stress Test. That uses a radioactive tracer to evaluate blood flow in the coronary arteries. Images are taken at peak exercise and at rest . These images are able to compare blood flow to the heart in specific territories supplied by each coronary artery and any flow disparity would be consistent with a potential blockage in that artery.

Related Questions

What is the point of a myocardial perfusion scan [nuclear test]?

Cardiac blood supply. A cardiac perfusion scan measures the amount of blood supplied to your heart muscle. Radiotracers such as thallium or technetium sestamibi are injected intravenously and travel through blood to heart muscle. Two sets of images are made during rest and exercise and compared. Indications for this study include chest pain, previous heart attack, heart surgery and coronary artery disease. Read more...
Cardiac imaging... The myocardial perfusion scan is performed mostly to detect ischemia. It can also detect infarction (heart attack) as well as ejection fraction, wall motion abnormalities, and ventricular volumes. Read more...

What is the point of a myocardial perfusion scan [nuclear test]?

Myocardial perfusion. A myocardial perfusion scan is done to evaluate the blood flow and distribution of blood flow within the heart. Abnormalities can be associated with obstructed blood flow to the heart or infarction/scarring of the heart. Read more...
Cardiac stress test.. A myocardial perfusion scan is used to detect ischemia or infarction (heart attack) and also to evaluation cardiac function (ejection fraction) and ventricular volumes. If there is significant ischemia sometimes a stent can be placed to prevent infarction. Read more...

Can you tell me about the purpose of a myocardial perfusion scan [nuclear test]?

See blood flow. Myocardial perfusion studies show the pattern of blood flow (perfusion) to the tissue of the heart muscle. The radiotracer goes where the blood goes and this shows how well the tissue is nourished. It can be an indicator of blocked arteries when the perfusion pattern is abnormal. Read more...

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

Perfusion scans. The main risks to these studies relate to the exercise stress used and to the radiation exposure. In general both are very well controlled and the complications and negative outcomes to these studies are very few and uncommon in good labs. The commonest side effects are with Persantine and Adenosine used to simulate exercise. Regadenoson a newer agent has few side effects. Read more...
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...

ABNORMAL MYOCARDIAL PERFUSION STUDY: SMALL SIZED REVERSIBLE PERFUSION DEFECT INVOLVING APICAL INFEROLATERAL SEGMENT AND APEX OF LEFT VENTRICLE?

Arterial blockage. Ischemia in areas of the heart, as you have related, infers that the arteries that feed these parts of the heart are narrowed such that blood flow through them reduces with exertion. It means these areas of the heart are vulnerable and further testing is needed and intervention may be necessary. Read more...
Consultation . A myocardial perfusion study shows blood flow to the heart muscle. Abnormal results may suggest coronary blockages. You've already had some tests; for personal review of a medical concern, consider a consultation with a doctor here on HealthTap. The "inbox consult" allows you to message back and forth when a lot of information needs to be exchanged (like prior test reports, etc.) . Read more...

Is it safe to smoke after a myocardial perfusion scan thallium scan cardiac nuclear imaging?

It is never safe to . Although it is no more risky to smoke after a scan, it is never safe to smoke. Read more...
No. It is never "safe" to smoke! but there is no particularly increased risk due to the thallium perfusion scan. So go ahead and smoke but take serious measures to stop, soon. Read more...
Well... Since you had a cardiac nuclear scan, I assume your doctors were looking for coronary artery disease. You seem to be a smoker, which makes artery disease worse. So smoking is not a good thing for you, and you should try to stop. Having said that, you are probably not in any more immediate risk for heart problem for smoking after the nuclear exam. Long term risks are greater with smoking. Read more...