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血氧饱和度在多少表示缺氧
更新时间: 2020-11-04 00:00:00  

血氧饱和度(SpO2)就是指血液中氧气的最大溶解度。一般认为SpO2读数可反映病人的呼吸功能,并在一定程度上反映动脉血氧的变化。正常状态下SpO2正常应不低于94%,在94%以下为供氧不足。也有的有学者将SpO2<90%定为低氧血症的标准。

关键词: 饱和度 多少 表示 缺氧

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