They're non-invasive ways of determining the degree of arterial perfusion from the feet and toes. The ankle-brachial index (ABI) would be the ratio of the blood pressure level calculated for the ankle towards the blood pressure level calculated in the upper arm. A small ankle-brachial index quantity indicates the arteries https://sgvasculargrp.com/medical-condition/peripheral-arterial-disease/icon-peripheral-arterial-disease-pad-2/