Angiography: Cost, Procedure, Preparation, Risks & Recovery Guide Angiography is a crucial diagnostic method performed to view the arteries and veins of the entire body including the heart and brain. It helps doctors detect obstructions, vascular swellings, or other circulation-related problems that may lead to critical conditions. Learning about angiography: https://www.diigo.com/item/note/b1gr9/05a3?k=0e855ff4f00612b60808a7901abc4dff