Computed Tomography Angiogram (CT Angiogram)
A Reference computed tomography angiogram (CT angiogram) Opens New Window is a test that uses Reference X-rays Opens New Window to provide detailed pictures of the heart and the blood vessels that go to the heart, lung, brain, kidneys, head, neck, legs, and arms.
A CT angiogram can show whether a blood vessel is blocked, where the blockage is, and how big the blockage is. The test can also show whether there is a bulge (Reference aneurysm Opens New Window) or a buildup of fatty material called Reference plaque Opens New Window in a blood vessel.
During a CT angiogram, you lie on a table that passes through a doughnut-shaped opening in the scanner. A special dye (Reference contrast material Opens New Window) is put in a vein (Reference IV Opens New Window) in your arm or hand to make the blood vessels easier to see on the scan. If you are having a CT angiogram to look at your heart and the blood vessels that go to it (Reference coronary arteries Opens New Window), you may be given a medicine called a Reference beta-blocker Opens New Window to slow your heart rate during the test.
|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