This document summarizes several peripheral vascular diseases: 1) Thromboangitis obliterans (Buerger's disease) is an inflammation of the arteries and veins causing clots, often linked to cigarette smoking in males and causing leg pain and potential gangrene. Management focuses on stopping disease progression, pain relief, and wound care or amputation. 2) Raynaud's disease is vasospasm causing ischemia of fingers especially, related to serotonin and cold sensitivity, often in smokers and women. Management aims to dilate blood vessels, avoid cold, and stop smoking or use sympathectomy. 3) Varicose veins are incompetent valves in leg veins causing swelling, pain,