Physical examination :ischemic limb often appeals pale, wrinkled, dry and scurfy ,nail thickening, hair loss, muscular atrophy, etc.

• 体检有缺血肢体肤色苍白、发花，皮肤皱缩、干燥有鳞屑、趾甲增厚、体毛脱失、肢体肌肉萎缩等。