Tests to diagnose peripheral artery disease (PAD) or look for problems that result in it could include: Should you smoke, Give up. Cigarette smoking improves the hazard of peripheral artery disease (PAD) and relevant circumstances for example stroke and heart attack. Cigarette smoking can also make existing PAD even worse. https://sgvasculargrp.com/medical-condition/peripheral-arterial-disease/icon-peripheral-arterial-disease-pad-2-3/