Angiography: Cost, Procedure, Preparation, Risks & Recovery Guide Angiography is a important clinical procedure used to visualize the blood vessels of the heart, brain, and other parts of the body. It helps doctors detect narrowings, vascular swellings, or blood flow issues that may lead to critical conditions. Learning about angiography: https://www.tumblr.com/wellnesswisehealthcare/798577878903259136/angiography-cost-procedure-preparation-risks?source=share