患者女,34岁,1980年12月13日下午4点10分,回家路上,感到全身皮肤搔痒,脐周阵痛突然昏倒,被人发现送来我院。急诊检查:神志模糊,面色苍白,躯干及大腿皮肤潮红,并有散在荨麻疹,呼吸急促,心音低,心率91次/分,血压测不到。当即氧气吸入,肌注肾上腺素1毫克,静脉注射50％葡萄糖40毫升加地塞米松6毫克,即送病房治疗。住院后血压50/20毫米汞柱,呼吸24次/分。皮疹同前。心律不齐,未闻杂音,心浊音界正常。肺无异常。腹软无压痛及反跳痛,肝脾未扪及,肠鸣音亢进。血红蛋白80％,白细胞11700、中性72％、淋巴28％、血沉16毫米/小时。尿及大便正常。心电图:频发多源性室早形成二联律、阵发 Female patient, 34 years old, December 13, 1980 at 4:10 pm On his way home, he felt systemic itchy skin, umbilical pain suddenly collapsed, was found to be sent to our hospital. Emergency examination: Confusion, pale, torso and thigh skin flushing, and scattered urticaria, shortness of breath, low heart rate, heart rate 91 beats / min, blood pressure can not be measured. Immediate oxygen inhalation, intramuscular injection of 1 mg of epinephrine, intravenous injection of 50% glucose 40 ml plus dexamethasone 6 mg, that is, to the ward. After hospital blood pressure 50/20 mm Hg, breathing 24 beats / min. Rash with the former. Arrhythmia, no unheard noise, normal voiced sound sector. No abnormal lungs. Abdominal tenderness without tenderness and rebound tenderness, liver and spleen not palpable, bowel sounds hyperthyroidism. Hemoglobin 80%, WBC 11700, Neutral 72%, Lymph 28%, ESR 16 mm / h. Urine and stool are normal. Electrocardiogram: Frequent multi-source room early formation of binary law, paroxysmal