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Cardiac CT

A rapidly advancing technology in the noninvasive evaluation of heart disease, cardiac CT provides X-ray-based information on the structure and function of the heart and its vessels. Similar to cMRI, the patient is placed into a large “doughnut” that contains multiple X-ray transmitters. These transmitters rotate extremely fast around the body inside the doughnut, and can acquire all required images within seconds.

The amount of X-ray delivered to the body is carefully limited to a minimum necessary. A contrast substance may be given intravenously to enhance image quality. Currently, cardiac CT is widely used to detect calcifications and blockages of the larger heart vessels, in addition to general information pertaining to the heart structures.