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如何区分呼酸、代酸、呼碱、代碱
动脉血气分析三步法: 简单地讲,三步法包括:第一步,病人是否存在酸中毒或碱中毒?第二步,酸 / 碱中毒是呼吸性还是代谢性?第三步,如果是呼吸性酸 / 碱中毒,是单纯呼吸因素,还是存在代谢成分? 具体方法如下: 第一步,看 pH 值,正常值为 7.4 ± 0.05。
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