患儿男,系第一胎第一产,胎龄41周,“高龄初产、珍贵胎儿”剖宫产术娩出,体重3100g。出生时无窒息,羊水清,脐带绕颈、绕脚各一周。生后体查:全身皮肤苍白,无浮肿及黄染,反应好,哭声响,颈软,前囟1.5×1.5cm,平软,呼吸42次/分,规律,心率150次/分,口周微绀,未见鼻翼扇动及三凹征,双 Children male, the first birth of the first child birth, gestational age 41 weeks, “advanced primiparous, precious fetus” cesarean delivery, weight 3100g. No suffocation at birth, clear amniotic fluid, umbilical cord around the neck, around the foot of a week. After birth, physical examination: the body pale, no edema and yellow dye, good response, crying sound, neck soft, anterior fontanel 1.5 × 1.5cm, soft, breathing 42 beats / min, regularity, heart rate 150 beats / min, Micro-cyanosis, no nose flap and three concave sign, double