Obliterative vascular disease Vasospastic vasodilator obl vas here we have atherosclerosis, thromboangiitis obliterans, Buerger's disease, primary femoral-popliteal disease, embolism, thrombosis syphilitic occlusion, Diabetes Mellitus. Vasospastic here we have Raynaud’s disease, Raynaud’s phenomenon Raynaud’s atherosclerotic occlusion of cervical disease, erythromelalgia vasodilator acrocyanosis.