低血糖是一种综合征,可由许多原因引起,诊断小儿低血糖的标准因年龄阶段而异。新生儿初生时平均血糖为3.3mmol/L(60mg/dl),2～4小时达最低2.1mmol/L(38mg/dl),足月新生儿血糖2.8～3.3mmol/L(50～60mg/dl)。若血糖低于1.7mmol/L(30mg/dl),兼有低 Hypoglycemia is a syndrome that can be caused by many causes. The standard for diagnosing hypoglycemia in children varies according to age. The average neonatal blood glucose was 3.3mmol / L (60mg / dl), 2 ~ 4 hours reached the lowest 2.1mmol / L (38mg / dl), full-term neonatal blood glucose 2.8 ~ 3.3mmol / L ). If the blood glucose is lower than 1.7mmol / L (30mg / dl), both low