Tracheobronchial foreign body (TFB) aspiration can be a life-threatening emergency requiring immediate intervention, even though it is less common in adults than in children.

• 摘要异物吸入常务生于小孩，是一个须紧急处理的急症，成人虽较少发生，但临床上诊断较小孩困难，故死亡率较高。