Ankle/brachial index (ABI) check, which compares the hypertension readings with the arms and legs to look for differences When atherosclerosis narrows the arteries, blood has a tendency to clot from the narrowed areas, forming a thrombus, a type of blood clot (plural thrombi). Often pieces with the blood clot crack https://www.sgvascularctr.com/types-of-treatments-for-vascular-diseases/