补液量计算公式是?

2025-04-08 07:17:23
推荐回答(2个)
回答1:

1、按体重减轻估计补液量

生理盐水补液量(L)=正常血钠浓度(142mmol/L)×体重减轻量(kg)/每升生理盐水NaCL含量(154mmol)

2、按血细胞压积估计补液量

补液量(L)=[实际红细胞压积-正常红细胞压积×体重(kg)×0.2]/正常红细胞压积。

正常红细胞压积男性为48%,女性42%。

细胞外液量为体重×0.2。

扩展资料:

急性期一般可按基础代谢需要量计算,即5%~10%葡萄糖50~60ml/kg·d,钠钾各1~2mmol/kg·d(生理盐水10ml含钠1 5mmol,10%氯化钾溶液10ml含钾13mmol),或按1500mL/ m2体表面积给予糖60~75g/ m2体表面积,钠、钾各50~7 0mmol/ m2体表面积。

生理需要量也可以用3∶1溶液补充。高渗脱水时,垂体后叶分泌抗利尿激素,促进肾小管远段的吸水作用,因而有人认为高渗脱水时,生理需要量宜酌减1/4。

参考资料来源:百度百科-补液量

回答2:

1、根据体重调整(2ml/kg.h)即(48ml/kg.日)一般为2500-3000ml。
2、根据体温,大于37摄氏度,每升高一度,多补3-5ml/kg。
3、特别的丢失:胃肠减压;腹泻;肠瘘;胆汁引流;各种引流管;呼吸机支持。


根据病人的临床表现和化验检查结果来制定补液计划补液计划应包括三个内容:
1、估计病人入院前可能丢失水的累积量(第一个24小时只补l/2量)
2、估计病人昨日丢失的液体量,如:呕吐、腹泻、胃肠碱压、肠瘘等丧失的液体量;热散失的液体量<体温每升高1度.每千克体重应补3~5m/液体)。气管切开呼气散失的液体量:大汗丢失的液体量等。
3、每日正常生理需要液体量,2000ml计算。

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