患者,男,74岁。因感冒而服安乃近0.5克,约半小时后全身皮肤发痒,面部出现风团样皮疹并且迅速遍布全身,伴胸闷、气短,无胸痛。站起活动时突然晕厥,四肢抽搐,约5分钟后自醒,随即咳嗽,咯大量白色泡沫样痰,继之转为粉红色,呼吸急促,不能平卧。既往无高血压、冠心病、肺病及药物过敏史。查体:呼吸32次/分,血压90/60毫米汞柱,神清,半卧位,口唇微绀。双肺 Patient, male, 74 years old. Due to a cold and comfort is nearly 0.5 grams, about half an hour after the whole body itchy skin, facial wind-like rash and quickly spread throughout the body, with chest tightness, shortness of breath, no chest pain. Suddenly fainted when standing up, limbs twitching, wake up about 5 minutes, then cough, slightly a lot of white foam-like sputum, followed by a pink, shortness of breath, can not lie down. No previous history of hypertension, coronary heart disease, lung disease and drug allergy. Physical examination: Breathing 32 beats / min, blood pressure 90/60 mm Hg, Shen Qing, semi-recumbent position, lip cyanosis. Double lungs