All About Angiography: Procedure, Preparation, Cost, Risks, And Recovery Explained An angiography test is a essential diagnostic procedure that helps visualize the vascular system of the entire body including the heart and brain. It helps doctors detect blockages, vascular swellings, or blood flow issues that may pose serious health risks. https://www.tumblr.com/dramitpatil/798576378162380800/angiography-cost-procedure-preparation-risks?source=share