Ankle/brachial index (ABI) test, which compares the blood pressure level readings on the arms and legs to check for distinctions The commonest reason for PVD is atherosclerosis. This is the buildup of plaque Within the artery wall. Plaque lowers the amount of blood movement into the limbs. Doppler ultrasound - https://www.sgvascularctr.com/types-of-treatments-for-vascular-diseases/