The surgical removal of plaque buildup from the interior of an artery. Atheroma: A deposit of plaque on or within the arterial wall. Atherosclerosis: Hardening and narrowing of the arteries caused by a buildup of cholesterol plaque on the interior walls of the arteries. atrial fibrillation
computed tomography (CT) (computerized axial tomography (CAT)) a radiologic imaging modality that uses computer processing to generate an image (CAT scan) of the tissue density in a âsliceâ as thin as 1 to 10 mm in thickness through the patient's body.
Computed tomography (CT) and CT angiography. Overview. A computed tomography (CT) scan is a noninvasive diagnostic test that uses x-rays and a computer to create images of the body. It allows your doctor to view your spine or brain in slices, as if it were sliced layer-by-layer and a picture taken of each slice.