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Brain CT Angiogram (CTA) - How to prepare

When preparing for your brain CT angiogram (CTA), you should wear comfortable, loose-fitting clothing. You may be given a gown to wear during the procedure.

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 technologist of all medications you are taking and if you have any allergies. If you have a known allergy to contrast material, or "dye," your Mountain Medical radiologist may prescribe medications (usually a steroid) to reduce the risk of an allergic reaction. These medications generally need to be taken 12 hours prior to administration of contrast material.

Women should always inform their radiologist or the CT technologist if there is any possibility that they may be pregnant. Also inform your doctor of any recent illnesses or other medical conditions.

Watch the CT - What to Expect Video.