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一、什么是黄疸? 黄疸是临床上比较常见的症状和体征,它本身并不是一种疾病,可由许多疾病引起。 黄疸是由血浆胆红素浓度增高所致的巩膜、皮肤、粘膜、大部分内脏器官和组织以及某些体液的黄染。黄疽一般是胆红素代谢障碍的临床表现,但新生儿生理性黄疽却是新生儿胆红素代谢生理特点的反映。血清胆红素浓度的正常范围为5.13～18.8μmol/L(0.3～1.1mg％),超过此数值称为高胆红素血症,但血清胆红素浓度只有超过34.4μmol/L(2mg％)时,才能使巩膜、皮肤等出现肉眼可见的黄染,因此将血清胆红素浓度超过正常范围,但仍在34.4μmol/L亿以下,巩膜或/和皮肤尚无可见黄染时,称为隐性黄疸。
First, what is jaundice? Jaundice is a more common clinical symptoms and signs, it is not a disease in itself, can be caused by many diseases. Jaundice is a yellowish stain on the sclera, skin, mucous membranes, most internal organs and tissues, and certain body fluids caused by elevated plasma bilirubin concentrations. Jaundice is generally a clinical manifestation of bilirubin metabolism disorders, but neonatal physiological jaundice is a reflection of neonatal bilirubin metabolic physiology. Serum bilirubin concentrations ranged from 5.13 to 18.8 μmol / L (0.3 to 1.1 mg%), with hyperbilirubinemia exceeding this value but serum bilirubin concentrations of only 34.4 μmol / L (2 mg% ), The sclera, skin and other visible macular yellow dye, so serum bilirubin concentration exceeds the normal range, but still below 34.4μmol / L billion, sclera and / or the skin is no visible yellow dye, said For recessive jaundice.