陈某,男,18岁,战士。1981年12月5日着凉后发冷发热,头痛、周身不适。次日以“发热待查”,“上感”入院。查体:体温37.6℃,血压100/60,咽部充血,扁桃体不肿大,全身其它检查无阳性体征。胸透正常。白细胞计数26,200,中性93％,淋巴7％。入院后即给予青、链霉素肌注(青、链霉素皮试阴性)。7日晨8时,患者自觉搔痒,全身遍布大片状荨麻疹,同时出现腹泻、墨绿色稀水便,内含大量脱落肠粘膜,无里急后重感。当日下午5时20分后,病情急剧恶化,患者神志恍惚,躁动,呼吸困难。血压收缩压70～60,舒张压听不到,心率130次,皮肤花白,甲床、口唇发绀,四肢末梢发凉。双肺布有喘鸣音,有细小水泡音。全腹出现压痛,反跳痛,患者很快昏迷。当 Chen, male, 18 years old, warrior. December 5, 1981 chills after fever, fever, headache, discomfort. The next day to “fever to be checked,” “flu” admission. Physical examination: body temperature 37.6 ℃, blood pressure 100/60, pharyngeal hyperemia, tonsil does not enlarge, the body of other tests no positive signs. Thoracotomy normal. White blood cell count 26,200, neutral 93%, lymphatic 7%. Admitted to hospital after admission, streptomycin intramuscular injection (green, streptomycin skin test negative). At 8:00 on the 7th, the patient consciously itch, the body covered with large pieces of urticaria, while diarrhea, dark green water, containing a large number of exfoliated intestinal mucosa, no sense of urgency after heavy. After 5:20 pm on the same day, the condition deteriorated sharply, the patient was in a trance, agitation and breathing difficulties. Blood pressure systolic blood pressure 70 ~ 60, diastolic blood pressure can not hear, heart rate 130 times, skin white, nail bed, lips cyanosis, limbs cool. Pulmonary cloth with wheezing, a small blisters sound. Full abdominal tenderness, rebound tenderness, the patient coma soon. when