The peripheral vascular disorders are as follows: Obliterative vascular disorders Vasospastic disorders Vasodilator Obliterative vascular disorder: Atherosclerosis Thrombengitin obliterans Primary femoral popliteal thrombosis Syphilitic occlusion Diabetes Vasospastic disorders: Raynaud's disease Ray’s phenomenon Raynaud's atherosclerotic occlusion of cervical rib Scalene syndrome Vasodilator: Erythromelalgia