患者女性,23岁。因被铁钉刺伤手指30分钟来我院就诊。既往无咳嗽、咯血、胸痛、胸闷等,否认有过敏史。查体:体温36.8℃,脉搏78次╱min,呼吸18次/min,血压110/80 mm Hg,双肺呼吸音清晰,伤口少许出血,给予局部清创包扎,精制破伤风抗毒素15u作常规皮试,皮肤稍隆起,微红,无硬块及伪足,直径约为0.5cm。采用肌肉注射法:将精制破伤风抗毒素1 500u肌注,10分钟后,病人诉胸闷,咽喉发痒,呼吸不畅,首次咳嗽并咯血300 ml,约3～5分钟再次咯血500 ml,胸闷、气阻明显,咯 Patient female, 23 years old. I was hospitalized for 30 minutes because my finger was stabbed by a nail. No previous cough, hemoptysis, chest pain, chest tightness, etc., denied a history of allergies. Physical examination: body temperature 36.8 ℃, pulse 78 times / min, breathing 18 times / min, blood pressure 110/80 mm Hg, lung breath sounds clear, a small wound bleeding, given local debridement, refined tetanus antitoxin 15u conventional skin Test, the skin slightly elevated, reddish, no lumps and pseudo-foot, a diameter of about 0.5cm. Using intramuscular injection: the refined tetanus antitoxin 1 500u intramuscular injection, 10 minutes later, the patient complained of chest tightness, itchy throat, poor breathing, cough and hemoptysis for the first time 300 ml, about 3 to 5 minutes again hemoptysis 500 ml, chest tightness, Air resistance obvious, slightly