A CT coronary angiogram is a diagnostic imaging test that provides detailed images of the coronary arteries, which supply blood to the heart. Here’s how it works: Procedure: During a CT coronary angiogram, an X-ray machine captures images of the heart and its blood vessels. Dye Injection: Before the images are taken, a special dye (contrast material) is injected into … Continue reading What is CT coronary angiography?