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小儿钙代谢异常的实验室诊断包括钙及相关元素的检查、钙调节激素的检查和钙代谢异常后果的检查。本文简要介绍这些检查方法的基本原理和检查结果的评价方法。１ 钙及相关元素的检查１－１ 血钙 临床上测定血总钙大致有三类方法。一类是乙二胺四乙酸（ＥＤＴＡ）络合滴定法
Laboratory diagnoses of calcium abnormalities in children include the examination of calcium and related elements, the examination of calcium-regulating hormones and the examination of the consequences of abnormal calcium metabolism. This article briefly describes the basic principles of these inspection methods and inspection methods of evaluation. 1 calcium and related elements of the inspection 1-1 serum calcium serum total calcium There are roughly three types of methods. One is ethylenediaminetetraacetic acid (EDTA) complexometric titration