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    CT Scan Directory

    A CT scan, also known as a CAT scan, is an imaging test that details the inside of the body. Contrast dye may be used to help visualize some abnormalities. Follow the links below to find WebMD's comprehensive coverage about how a CT scan works, the many uses of CT scans, and much more.

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    Thumbnail: The New Heart Tests: Which Ones Should You Have?

    Experts explain the pros and cons of coronary calcium scores, carotid artery ultrasound, and CT heart scans.

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