例1男,3岁。咳嗽1个月,发热20天,发憋8天,经当地卫生院抗炎治疗半月(用药情况不详),症状逐渐加重,来我院就诊时,患儿精神萎糜,唇轻绀,呼吸表浅,皮肤弹性差。询问病史,家属不能肯定有无异物吸入史。听诊右肺呼吸音明显低于左侧。由于患儿病情危重,恐出意外,未做X线检查,以可疑支气管异物并发支气管肺炎急收 Example 1 male, 3 years old. Cough for 1 month, fever 20 days, hair hold for 8 days, anti-inflammatory treatment by the local hospital for half a month (medication is unknown), the symptoms gradually aggravated, to our hospital, children spirit wilting, lip cyanosis, Shallow, poor skin elasticity. Ask medical history, family members can not be sure whether there is history of foreign body inhalation. Auscultation right lung breath sounds significantly lower than the left. Due to critically ill children, he was surprised, did not X-ray examination, suspicious bronchial foreign body complicated with bronchial pneumonia urgently