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腾讯网
3 年
血气分析四步大法!
氧分压(PaO2):指物理溶解在血液中的氧分子所产生的压力,正常值为 90~100 mmHg。 PaO2 正常值随着年龄增加而下降,预计 PaO2 值(mmHg)=100 - 0.33×年龄(岁)±5,也就是说,对于 80 岁的老年人来说,氧分压 68 mmHg 也可能是正常的。 动脉血氧饱和度(SaO2 ...
腾讯网
5 年
什么情况下需要氧疗,你都知道吗?
氧疗指各类缺氧的治疗,除了消除引起缺氧的原因外,均可给予吸氧治疗。那么具体什么情况下需要氧疗?氧疗的基本原则是什么?一起来看看吧~ 氧疗的基本原则 低氧血症的主要特点为PaO2下降,SaO2降低,组织供氧不足。肺泡气氧分压(PAO2)是肺泡气氧输送量 ...
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