Computed Tomography (CT) Angiography – To Produce Images of Major Blood Vessels
Angiography is a minimally invasive medical test that uses imaging technology to diagnose and treat medical conditions. X-rays with catheters, Computed Tomography (CT) and Magnetic Resonance Imaging (MRI) are the three imaging technologies used to produce images of major blood vessels throughout the body.
Computed tomography Angiography uses computed tomography technique to visualize arterial and venous vessels throughout the body. In this imaging technology, beams of x-rays are passed from a rotating device through the body area of interest to obtain projection images. These images are assembled by a computer into a three dimensional picture.
Computed tomography Angiography is a patient friendly procedure in which the contrast material is injected into a small peripheral vein using a small needle or cannula. This imaging technology is used to screen large number of individuals for arterial disease. In CT angiography, a contrast material produces detailed images of both blood vessels and tissues. It is used to examine blood vessels in key areas of the body including brain, kidneys, pelvis, legs, lungs, heart, neck and abdomen.
This procedure is used to identify aneurysms in the aorta or in other major blood vessels, to visualize blood flow in the renal arteries, to detect thrombosis in veins and for many such applications.
Computed tomography Angiography is a useful way of screening for arterial disease. It is a safe, cost effective procedure and involves less time as compared to other imaging technologies.