Reactive hyperemia exam. This check is comparable to an ABI or maybe a treadmill exam but used for those who are not able to wander with a treadmill. For clients with symptoms of PAD and an abnormal ABI, more diagnostic imaging is indicated.3 Duplex ultrasonography is the main-line investigation, with stenosis >75% https://sgvasculargrp.com/medical-condition/peripheral-arterial-disease/