Peripheral Artery Disease: Clinical CardiologyAbout This Hardback The narrowing of the peripheral arteries which are present in the legs, stomach, arms, and head is called peripheral artery disease. It is caused by atherosclerosis which narrows and blocks arteries in critical regions of the body. In atherosclerosis, deposits of fat, cholesterol, and other substances, called plaque, build up inside the walls of arteries. It can be diagnosed by angiography, ankle brachial index, Doppler and