What is Peripheral Artery Disease? (Definition)
Peripheral artery disease (PAD) is a narrowing of the peripheral arteries to the legs, stomach, arms, and head. PAD is most commonly found in the arteries of the legs. Narrowing is caused by buildup of plaque which is made up of fat, cholesterol, calcium, fibrous tissue, and other substances in the blood. This narrowing of arteries limits the flow of oxygen-rich blood to your organs and other parts of your body.
The most common symptoms of PAD involving the lower extremities are cramping, pain or tiredness in the leg or hip muscles while walking or climbing stairs.
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