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检测血气可以是非侵入性的,也可以是侵入性的,两种方法各有优缺点。非侵入性检测包括脉搏光电血氧仪和用红外线的检测仪,两种方法都达到了基本可接受的水平,特别是把两种方法接合使用的时候,效果更好。非侵入性检测从原理上看还是一种“试管法”,从病人身上获得的样本由分析器处理。由于有时间的迟后,样本的处理以及仪器定标等因素,所得数值可能没有反映病人的即时状况。作为医院中血气监护的下一代产品将是动脉内连续血气监测仪。目前一些公司正致
Blood gas detection can be non-invasive, it can be invasive, the two methods have their own advantages and disadvantages. Noninvasive tests include pulse oximeters and infrared detectors, both of which have reached the basic acceptable level, especially when the two methods are used together. Noninvasive testing is also, in principle, a “tube method,” where the samples taken from the patient are processed by the analyzer. Due to late arrivals, sample handling and instrument calibration, the resulting values may not reflect the patient’s immediate condition. The next generation of blood gas monitoring in hospitals will be an intra-arterial continuous blood gas monitor. At present, some companies are due