CT Angiography The CT scanner makes it possible to non-invasively visualise arteries that carry blood to the brain (cerebral angio), heart (coronary angio), lungs (pulmonary angio), kidneys (renal angio), limbs (peripheral angio) etc. Advantages over regular Angiography: Non-invasive procedure Low radiation dose Independent of heart rate for cardiac Imaging No hospitalisation, No surgery, No pain or discomfort Clear images without the use of beta blocker, irrespective of heart rate CT ... Learn about CT angiography, a procedure that uses CT scanning and contrast material to examine blood vessels and related conditions. Find out how to prepare, what to expect, and what are the benefits and risks of CTA. CT angiography (CTA) is a non-invasive imaging technique that uses CT scanning and contrast agents to visualize blood vessels. Learn about its clinical applications, benefits, and potential risks in this blog post by Artemis Cardiac Care. Overview A computerized tomography (CT) coronary angiogram is an imaging test that looks at the arteries that supply blood to the heart. A CT coronary angiogram uses a powerful X-ray machine to make images of the heart and its blood vessels. The test is used to diagnose many different heart conditions.