患者,女,3岁3个月。以声嘶伴喉鸣、活动后呼吸困难7d为主诉,于2004年8月急诊入院。起病突然,无明显感冒史及腹泻史。在外院曾肌肉注射庆大霉素等,症状无改善。病后乏力,但无发热,进食如常,睡眠尚可。10d前有误吞鱼刺史,当时有恶心、呕吐,无咽喉痛,无呛咳、发绀。入院体检:T36℃ Patient, female, 3 years old and 3 months. To hoarseness with throat, dyspnea 7d after the main complaint, in August 2004 emergency admission. Sudden onset, no obvious history of cold and diarrhea history. Outside the hospital had intramuscular gentamicin, no improvement in symptoms. After the illness fatigue, but no fever, eating as usual, sleep is acceptable. 10d before the fish swallowed by mistake, there was nausea, vomiting, no sore throat, no cough, cyanosis. Admission examination: T36 ℃