患者，男，18岁，某乡办水产冷冻厂制冰临时工．1993年9月11日晚在制冰操作时，因闸门裂片断裂，氨气外逸而吸入大量高浓度氨气窒息晕厥7～10min后被同事救离现场．患者苏醒后即感胸闷气憋、剧烈咳嗽且咯大量粘痰，约500ml．此后病情继续加剧，咳嗽不止，持续喘鸣、声音嘶哑不 Patient, male, 18 years old, a township office aquatic freezing plant ice temporary workers. September 11, 1993 night in the ice operation, due to gate rupture of the fracture, ammonia discharge and inhalation of a large number of high concentrations of ammonia suffocation syncope 7 ~ 10min after being rescued from the scene by colleagues. Immediately after the patient regained chest tightness gas hold back, severe cough and slightly sticky phlegm, about 500ml. After the condition continues to aggravate, cough more than sustained wheezing, hoarse voice does not