首页医卫考试高级职称检验 临床医学检验技术
(名词解析)

枸橼酸钠(sodiumcitrate)抗凝剂

正确答案

也称柠檬酸钠,其抗凝原理是与血液中的钙离子形成可溶性螯合物,阻止血液凝固。枸橼酸钠通常以1:9或1:4(Ⅴ∶Ⅴ)比例用于凝血象检查及红细胞沉降率等测定。又因其毒性小,可用于血液保养液。

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