患儿男 ,2 2天。第 4胎第 2产 ,足月顺产无窒息史。因咳嗽、口吐白沫 12天 ,加重 2天入院。生后未接种卡介苗。体检 :精神不振 ,呼吸急促 ,面色灰白。前囟平软。口周稍青 ,双肺底可闻较多细湿 口罗音。心率 16 4/ｍｉｎ ,律齐。肝肋下 4 5ｃｍ、质软、边锐。新生儿反射正常引出 Children male, 2 2 days. The second birth of the fourth child, full-term birth without asphyxia history. Due to cough, foaming at the mouth 12 days, increased 2 days admission. Not vaccinated BCG after birth. Physical examination: lack of energy, shortness of breath, pale face. Anterior fontanelle soft. Peripheral slightly green, the lungs can be heard more fine wet mouth rales. Heart rate 16 4 / min, law Qi. Liver ribs 4 5cm, soft, sharp edge. Neonatal reflex lead to normal