ACE and peripheral vascular disease: BSA: Body surface area; HPTN: Hypertension; DM: Diabetes mellitus; CAD: Coronary artery disease; MI: Myocardial infarction; CRF; Chronic renal failure; CHF: Congestive heart failure; PVD: Peripheral vascular disease; ACEi: Angiotensin-converting enzyme inhibitors; ARB: Aldosterone receptor blockers; Ca blockers: Calcium channel blockers; Antiplatelet Rx: Antiplatelet medications.