患儿男,20d。因出生后气促、紫绀20d,加重4d于2006年3月3日入院。患儿自出生后当天即有气促、口周及口唇发绀,每逢吃奶、活动时明显,偶有呛奶。生后7d全身皮肤黄疸并出现红色皮疹,接着皮疹融合成片,结痂、脱屑。近4d来上述症状加重,夜间哭闹不安,无咳嗽及发热。患儿系第2胎孕38 Children male, 20d. Due to shortness of breath after birth, cyanosis 20d, increased 4d on March 3, 2006 admission. Children from the day after birth that have shortness of breath, perioral and lip cyanosis, every nurse, when the event was obvious, occasionally choking milk. 7 days after birth, body skin jaundice and a red rash, followed by rash fusion into pieces, crusting, scaling. Nearly 4d to the above symptoms, crying at night, no cough and fever. Children with second-trimester pregnancy 38