Angiography
Definition
Angiography is the x-ray study of the blood vessels. An angiogram uses a radiopaque substance, or dye, to make the blood vessels visible under x ray. Arteriography is a type of angiography that involves the study of the arteries.
Purpose
Angiography is used to detect abnormalities or blockages in the blood vessels (called occlusions) throughout the circulatory system and in some organs. The procedure is commonly used to: identify atherosclerosis; diagnose heart disease; evaluate kidney function and detect kidney cysts or tumors; detect an aneurysm (an abnormal bulge of an artery that can rupture and lead to hemorrhage),...
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