Ankle/brachial index (ABI) examination, which compares the blood pressure level readings in the arms and legs to check for distinctions When atherosclerosis narrows the arteries, blood tends to clot in the narrowed areas, forming a thrombus, a type of blood clot (plural thrombi). Sometimes parts of the blood clot crack https://www.sgvascularctr.com/types-of-treatments-for-vascular-diseases/