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为什么高血钾时膜电位降低

更新时间: 2020-09-19 00:00:00     

细胞内钾离子多,细胞外钠离子多,高血钾时H-K交换增多,所以酸中毒与高血钾常伴发,细胞内K不出来,动作电位的发生中有一环节就是细胞内K与细胞外NA交换的,现在是细胞外K进入细胞内,故膜电位低。

关键词: 为什么 血钾 电位 降低

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