1　病历简介例 1:男 ,1岁 3个月。因反复呛咳、咯痰 5天 ,外院治疗无好转 ,怀疑气管异物转来我院就诊。查体 :患儿低热 ,呼吸 4 6次 /min,心率 12 6次 /min,节律整齐 ,精神差 ,无紫绀 ,气管居中 ,胸廓无畸形 ,左胸呼吸运动减弱 ,叩诊呈高清音 ,呼吸音减弱 ,可闻及少许湿啰音 ;? 1 case brief introduction Example 1: Male, 1 year old 3 months. Due to repeated cough, sputum for 5 days, no improvement in the treatment of the hospital, suspected of tracheal foreign body transferred to our hospital. Physical examination: children with fever, breathing 46 times / min, heart rate 12 6 times / min, rhythm, poor spirit, cyanosis, tracheal center, no thoracic deformity, left chest respiratory motion decreased percussion was HD tone, breath sounds Weakened, audible and a little wet rales;