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You are here : AllRefer.com > Health > Tests & Exams > Thallium and Sestamibi Stress Tests

Thallium and Sestamibi Stress Tests

Provided by A.D.A.M.

Definition

Why is the Test Performed?

How is the Test Performed?

How to Prepare for the Test?

How will the Test Feel?

Normal Values

What do Abnormal Results Mean?

Special Considerations

Risks

Pictures & Images

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Alternate Names : MIBI Stress Test, Sestamibi and Thallium Stress Tests


Definition

Thallium and sestamibi stress tests are nuclear imaging methods that provide a view of the blood flow into the heart muscle. The thallium and sestamibi tests are also called MIBI stress test and myocardial perfusion scintigraphy, and are used to evaluate how well your heart is perfused (supplied with blood) at rest as compared with activity.

During these tests, heart images can be obtained because the patient receives an injection of a substance that is labeled with a radioactive marker or radiotracer to make it visible in the bloodstream. These substances are also called radiopharmaceuticals, and include thallium-201 and technetium-99m MIBI or sestamibi.

In comparison to the standard treadmill stress test, thallium and sestamibi stress tests are more accurate and provide additional information.

Pictures & Images

Nuclear Scan
Nuclear Scan

Anterior Heart Arteries
Anterior Heart Arteries

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Why is the Test Performed?

The thallium and sestamibi stress tests are indicated when your doctor needs to evaluate for example:

  • how well your heart responds to exercise
  • the cause of your chest pains
  • the degree of blockage in your coronary arteries
  • what to expect after you have had a heart attack
  • how well a heart procedure done to improve blood flow in your coronary arteries is working


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Definition
Why is the Test Performed?
How is the Test Performed?
How to Prepare for the Test?
How will the Test Feel?
Normal Values
What do Abnormal Results Mean?
Special Considerations
Risks
Pictures & Images

Topics that might be of interest to you

Diseases & Conditions

Arrhythmias
Heart Attack

Tests & Exams

Cardiac Catheterization
Echocardiogram
Exercise Stress Test

Other Topics

Chest Pain

Review Date : 6/2/2003
Reviewed By : Elena Sgarbossa, M.D., Department of Cardiology, Cleveland Clinic Florida, Weston, FL. Review provided by VeriMed Healthcare Network.

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Page Last Updated: 09 Jan, 2009