Pulse oximetry

（重定向自Blood gas monitor）

A wrist mounted remote sensor pulse oximeter with plethysmogram.

Absorption spectra of oxygenated hemoglobin (HbO2) and deoxygenated hemoglobin (Hb) for red and infrared wavelengths

A pulse oximeter probe applied to a person's finger

Pulse oximetry is a noninvasive method for monitoring a person's oxygen saturation (SO₂). Its reading of SpO₂ (peripheral oxygen saturation) is not always identical to the reading of SaO₂ (arterial oxygen saturation) from arterial blood gas analysis, but the two are reliably enough correlated that the safe, convenient, noninvasive, inexpensive pulse oximetry method is valuable for measuring oxygen saturation in clinical use.

单词	Blood gas monitor
释义	Blood gas monitor 英语百科 Pulse oximetry （重定向自Blood gas monitor） Pulse oximetry is a noninvasive method for monitoring a person's oxygen saturation (SO₂). Its reading of SpO₂ (peripheral oxygen saturation) is not always identical to the reading of SaO₂ (arterial oxygen saturation) from arterial blood gas analysis, but the two are reliably enough correlated that the safe, convenient, noninvasive, inexpensive pulse oximetry method is valuable for measuring oxygen saturation in clinical use.
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