Computed Tomography Angiogram (CT Angiogram)
How It Is Done
A CT angiogram is usually done by a Reference radiology technologist Opens New Window. The pictures are usually read by a Reference radiologist Opens New Window. But some other types of doctors may also review the test results.
Before the test
- Take off any jewelry and any other metal objects.
- Take off all or most of your clothes. You will be given a gown to wear during the test.
During the test
- You will lie very still on a table that is attached to the CT scanner.
- A dye (contrast material) will be put in a vein in your arm or hand. If you are having a CT angiogram to look at your heart and the blood vessels that go to it (coronary arteries), you may be given a medicine called a beta-blocker to slow your heart rate during the test.
- The table will slide into the round opening of the scanner and move slightly while the scanner takes pictures. You may hear a click or buzz as the table and scanner move.
- The technologist may ask you to hold your breath for a few seconds at a time.
- You may be alone in the scanning room. But the technologist will watch you through a window. You will be able to talk to him or her through an intercom.
A CT angiogram usually takes 30 to 60 minutes but could take up to 2 hours.
After the test
Drink plenty of fluids for 24 hours after the test to help flush the dye out of your body.
|By:||Reference Healthwise Staff||Last Revised: Reference June 13, 2012|
|Medical Review:||Reference Rakesh K. Pai, MD, FACC - Cardiology, Electrophysiology
Reference George Philippides, MD - Cardiology