A CT Angiogram (CTA) uses a combination of x-rays and computer technology to make detailed 3-D images of blood vessels in the head and neck. The images can show weakened sections of vessels and visualize blood flow. This procedure is non-invasive and is safer than a Catheter Angiogram.

Your doctor may order this test if there are suspected aneurysms, stroke or plaque build-up. The test can also be used to guide surgery, evaluate arteries feeding a tumor, or to find obstructions in blood vessels.

How to Prepare:

• Notify the technician of any allergies and if you might be pregnant

What to Expect:

• Before the procedure, you will receive an IV containing a contrast dye
• You will lie on a table that will move through the scanner
• After contrast dye is injected through your IV, the CT machine will take fast pictures of your head and neck
• The test usually takes less than 10 minutes to complete

After the Test:

• Drink plenty of water to flush out the contrast dye
• You can resume a normal diet
• The radiologist will send a report to your doctor