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Computed Tomography (CT)

Medical imaging using X-rays.

Coronary CT Angiography

The coronary CT angiography or cardiac CT angiogram protocol is the most common dedicated cardiac CT examination and is a non-invasive tool for the evaluation of the coronary arteries.

The main purpose is a diagnostic acquisition of a coronary angiogram at a radiation dose as reasonably low as possible.

  • CT angiography is used to examine blood vessels and the organs supplied by them in various body parts, including:
    • Brain
    • Neck
    • Heart
    • Chest
    • abdomen (such as the kidneys and liver)
    • pelvis
    • legs and feet
    • arms and hands
  • Physicians use this test to diagnose and evaluate many diseases of blood vessels and related conditions such as:
    • injury
    • aneurysms
    • blockages (including those from blood clots or plaques)
    • disorganized blood vessels and blood supply to tumors
    • congenital (birth related) abnormalities of the heart, blood vessels or various parts of the body which might be supplied by abnormal blood vessels
  • You should wear comfortable, loose-fitting clothing to your exam.
  • Metal objects, including jewelry, eyeglasses, dentures and hairpins should be left at home or removed prior to your exam. You may also be asked to remove hearing aids and removable dental work. Women will be asked to remove bras containing metal underwire. You may be asked to remove any piercings, if possible.
  • You should inform the technologist if you have a pacemaker.
  • You may be asked not to eat or drink anything for a few hours beforehand, especially if a contrast material will be used in your exam.
  • You should inform your physician of all medications you are taking and if you have any allergies.
  • Inform your doctor of any recent illnesses or other medical conditions and whether you have a history of heart disease, asthma, diabetes, and kidney disease or thyroid problems.
  • Women should always inform their physician and the CT technologist if there is any possibility that they may be pregnant.
  • Your diet will be restricted to clear liquids the day before the examination
  • Be sure to inform your physician if you have heart, liver or kidney disease to be certain that the bowel prep will be safe.

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