Cardiac Calcium Scoring
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Test Overview
Cardiac calcium scoring uses a special X-ray test called computed tomography (CT) to check for the buildup of calcium in plaque on the walls of the arteries of the heart (coronary arteries). This test is used to check for heart disease in an early stage and to determine how severe it is. Cardiac calcium scoring is also called coronary artery calcium scoring.
The coronary arteries supply blood to the heart. Normally, the coronary arteries do not contain calcium. Calcium in the coronary arteries is a sign of coronary artery disease (CAD).
A CT scan takes pictures of the heart in thin sections. The pictures are recorded in a computer and can be saved for more study or printed out as photographs.
Cardiac calcium scoring is not done very often because a physical examination and other tests often give enough information about your heart. But, if you are at medium risk for CAD based on your risk factors, cardiac calcium scoring may give your doctor more information to decide on your risk of CAD. If your doctor thinks that results from a cardiac calcium test could change your treatment for heart disease, your doctor may advise this test for you.
Cardiac calcium scoring is not advised for routine screening, because it can show that you may have plaque in your coronary arteries even if you do not have CAD. This is especially true if you have a low risk for CAD.
| Last updated: | June 19, 2007 |
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| Author: | Maria G. Essig, MS, ELS |
| Reviewed By: | E. Gregory Thompson, MD - Internal Medicine, George Philippides, MD - Cardiology |
| Editors: | Susan Van Houten, RN, BSN, MBA, Tracy Landauer |
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