This document discusses peripheral vascular disorder, which refers to diseases of the blood vessels outside the heart and brain. Common causes include atherosclerosis, hypertension, smoking, diabetes, and high cholesterol. Symptoms include pain, tingling, numbness, weakness, and color changes in the hands and feet. Diagnosis involves tests like Doppler ultrasound, MRI angiography, and cold stimulation tests. Treatment includes medications like anticoagulants, statins, and vasodilators, as well as surgical procedures such as angioplasty, reconstructive surgery, and sometimes amputation.