Angiography is a medical imaging technique used to visualize the inside of blood vessels and organs, including arteries and veins. It involves injecting a contrast dye into the blood vessels through a catheter, which is typically inserted into a major artery, such as in the groin or arm. The contrast dye enhances the visibility of the blood vessels on X-ray images or other imaging modalities like computed tomography (CT) or magnetic resonance ima... Read more