A duplex ultrasound is a non-invasive means of detecting and quantifying the narrowing and blockage while in the blood vessels. It's executed by a qualified sonographer and is also verified by a Radiologist. This is a pain-free course of action carried out with a couch and usually usually takes 1-2 https://sgvasculargrp.com/medical-condition/peripheral-arterial-disease/icon-peripheral-arterial-disease-pad-2-3/