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腾讯网
8 天
影响指脉氧监测的那些事
光线吸收的影响:指脉氧监测依赖于特定波长的光(红光和红外光)通过手指组织后的光亮度来检测血氧饱和度和脉率。任何能够吸收这些波长光线的物质,如指甲油、墨汁或红色染料纹身、静脉注射有色染料、假指甲、指甲上或指甲下的污物等,都可能影响SpO2监测读数的准确 ...
腾讯网
9 天
全麻后PETCO2异常波形原因分析
如果是双腔管麻醉,可能术毕变换体位时致导管移位、扭曲,肺泡C02呼出受阻,因而PETCO2增高,SPO2下降,因此这种表现是人为的气道不全梗阻。
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