Multi-Slice CT Scanners
A computerized tomography (CT) scan produces detailed two-dimensional pictures of a person's body using a combination of special x-ray machine and a computer.
More complex than a traditional x-ray, which uses a stationary machine to focus on a particular body part, CT scans use an x-ray generating device that rotates around the body, creating multiple images. The images are sent to a very powerful computer to create cross-sectional images, or slices, of the inside of the patient's body.
Doctors will commonly order CT scans to help diagnose muscle and bone disorders, such as bone tumors and fractures; pinpoint the location of a tumor, infection or blood clot; guide procedures; detect internal injuries and internal bleeding; or detect and monitor diseases such as cancer and heart disease.
Heart and vascular patients commonly undergo a cardiac CT to evaluate the presence of calcified plaque in the coronary arteries. A cardiac CT is a non-invasive way of gathering information about the amount of calcium, often represented in a calcium score.
Cardiac CT scans are often recommended by doctors as a screening tool for patients at risk for coronary artery disease (CAD) before clinical symptoms are present. When symptoms are present, cardiac CT can be helpful in determining the severity of CAD.
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