例1 患儿系第4胎第4产32周,自娩,体重2650克,生后无窒息。入室查体精神反应弱,面色尚红,呼吸40次,肺音清,心率120次/分,无杂音,肝肋下1.5cm,脾未及,四肢肌张力偏低,生理反射弱。母有不良产史,前三胎均为早产儿,于生后第三天死于口鼻腔出血,当地医院诊断“新生儿自然出血症、消化道出血”。 Example 1 pediatric fourth line of the first 4 weeks 32 weeks, since delivery, weight 2650 grams, no asphyxia after birth. Into the physical examination of the weak reaction, the face is still red, breathe 40 times, lung sound clear, heart rate 120 beats / min, no noise, hepatic ribs 1.5cm, spleen and limbs, limb muscle tension is low, weak physiological reflex. The mother had a history of bad birth. The first three babies were both premature children and died of mouth and nose bleeding on the third day after birth. The local hospital diagnosed “natural bleeding of newborn and gastrointestinal bleeding”.