患儿男,18 h,因“生后反应差,吃奶少”16小时入院。患儿系第3胎第2产,足月平产,无窒息抢救史,出生体重3.1 kg,脐带及胎盘无异常。体检:足月新生儿貌,呼吸平稳,哭声弱。无皮疹、出血点及黄染。脸圆 Children male, 18 h, due to “poor response after birth, less milk” 16 hours admission. The third fetus in children with the second production, full-term, no asphyxia rescue history, birth weight 3.1 kg, umbilical cord and placenta without exception. Physical examination: term newborn appearance, smooth breathing, crying weak. No rash, bleeding and yellow dye. Face round