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渗出液、漏出液如何鉴别?病因有哪些?
Light 标准是区分渗出液和漏出液最常用的标准,渗出液诊断标准为:(1)积液中总蛋白与血清总蛋白浓度的比值 > 0.5;(2)积液中 LDH 与血清 LDH 浓度比值 > 0.6;(3)积液中 LDH 大于血清 LDH 正常值上限的 ...
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