Skip to content
    Font Size
    A
    A
    A

    Computed Tomography Angiogram (CT Angiogram)

    What To Think About continued...

    Certain things can make CT angiograms hard to read. For example, a fast heart rate may make it hard to get a clear picture of the coronary arteries. Or a large buildup of calcium may show a narrowing of the arteries when there isn't one (false-positive) or show that the arteries are fine when they are not (false-negative). But with a standard angiogram, these things don't interfere with the test.

    Other tests

    Another test, called a coronary calcium scan, also uses a CT scan to show how much calcium is in your coronary arteries. This test is for people who have no symptoms of heart disease but may be at risk for getting it. To learn more, see the topic Coronary Calcium Scan.

    CT technology

    If your doctor suggests a CT angiogram, you may want to ask what kind of scanner will be used. In most cases, a 16- or 64-multi-slice (or multi-detector) CT scanner is used for the CT angiogram. These scanners provide more detailed images of the blood vessels and organs in less time than other imaging tests. But they may not be available in all medical centers.

    Related Information

    WebMD Medical Reference from Healthwise

    Last Updated: 3/, 014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.

    Hot Topics

    WebMD Video: Now Playing

    Click here to wach video: Dirty Truth About Hand Washing

    Which sex is the worst about washing up? Why is it so important? We’ve got the dirty truth on how and when to wash your hands.

    Click here to watch video: Dirty Truth About Hand Washing

    Popular Slideshows & Tools on WebMD

    disciplining a boy
    Types, symptoms, causes.
    fruit drinks
    Eat these to think better.
    embarrassed woman
    Do you feel guilty after eating?
    diabetes supply kit
    Pack and prepare.
    Balding man in mirror
    Treatments & solutions.
    birth control pills
    Which kind is right for you?
    Remember your finger
    Are you getting more forgetful?
    sticky notes on face
    10 tips to clear your brain fog.
    Close up of eye
    12 reasons you're distracted.
    woman biting a big ice cube
    Habits that wreck your teeth.
    apple slices with peanut butter
    What goes best with workouts?
    Pink badge on woman chest to support breat cancer
    Myths and facts.

    Pollen counts, treatment tips, and more.

    It's nothing to sneeze at.

    Loading ...

    Sending your email...

    This feature is temporarily unavailable. Please try again later.

    Thanks!

    Now check your email account on your mobile phone to download your new app.

    Women's Health Newsletter

    Find out what women really need.