1 临床资料1.1 病例1:女,76岁。因发现意识丧失伴烦燥,大小便失禁就医。查体:体温36.8℃,呼吸20次/min,脉搏80次/min,血压16/12 kPa。心、肺及腹部检查未见异常。神经系统检查:意识丧失,呼之不应,瞳孔无异常,颈软,行肢体疼痛刺激和压迫眶上神经均见左侧上、下肢活动,右侧肢体不活动。上肢悬垂试验示右 1 clinical data 1.1 Case 1: Female, 76 years old. Because of the loss of consciousness found with irritability, incontinence for medical treatment. Physical examination: body temperature 36.8 ℃, breathing 20 times / min, pulse 80 beats / min, blood pressure 16/12 kPa. Heart, lung and abdominal examination showed no abnormalities. Nervous system examination: loss of consciousness, call should not be, no abnormal pupil, soft neck, pain and limb pain stimulation and oppression of the supraorbital nerve are seen on the left, lower extremity activities, the right limb inactivity. Upper limb drape test shows right