If a vein is useful for the bypass, 1 stop of it is sewn in the aorta (the primary artery from the center to the human body). The opposite finish is sewn into the realm over and above the blockage from the coronary artery. This is a painless non-invasive examination https://sgvasculargrp.com/medical-condition/peripheral-arterial-disease/icon-peripheral-arterial-disease-pad-2-3/