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Understanding Coronary Calcium Scan
A fast, noninvasive CT scan that helps measure calcium buildup in the heart’s arteries and assess your risk for heart disease.
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Center for Coronary Artery Disease
Leading-edge therapies and diagnostics to manage or prevent coronary artery disease—before it leads to a heart attack or other complications.
Understanding Coronary Calcium Scan
A coronary calcium scan is a test that looks at the arteries that supply blood to the heart muscle. These are called the coronary arteries. The scan checks for calcified plaque buildup along the walls of these arteries. Plaque can be made up of calcium, fat, cholesterol, and other substances. A buildup of plaque narrows the arteries. This affects the flow of blood to the heart muscle. If a coronary artery becomes completely blocked, a heart attack (death of part of the heart muscle) can occur. Knowing how much plaque you have in your arteries can help figure out your risk for a heart attack.
Why do you need a coronary calcium scan?
A coronary calcium scan measures the amount of calcium in the arteries. The presence of calcium deposits in an artery means that plaque is starting to build up. The results of the test are given as a calcium score. The scan can help predict your risk of having a heart attack, even before symptoms appear.
This scan isn’t for everyone. It's most useful when considered along with other risk factors for a heart attack. These include family history of heart disease, high blood pressure, and unhealthy cholesterol.
What happens during a coronary calcium scan?
The scan is done using computed tomography (CT). This test uses X-rays and computers to create detailed images of the heart.
For the test, you lie on a platform that slides into a tube. During the scan:
You will need to stay very still.
You may be asked to hold your breath for short periods of time.
You may have small, sticky discs attached to wires (electrodes) on your chest to record your heartbeat.
The test will likely take about 10 minutes. After the test is done and your appointment is finished, you can go back to your normal routine.
What are the risks of coronary calcium scan?
A CT scan exposes you to a certain amount of radiation. The benefits of the scan likely outweigh the risks for you. You and your health care provider can discuss this further.
Why Choose Baptist Health?
At Baptist Health, patients benefit from state-of-the-art diagnostic imaging and advanced treatment options, delivered by a multidisciplinary team of surgeons and interventionalists who are pioneering cutting-edge techniques. Our team not only provides exceptional clinical care but also actively contributes to research and innovation in the field.
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