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Pulse Oximeters

2 January, 2011 | Anesthesiology Equipment, Pulse Oximeters

Pulse oxymetry is a non-invasive technique of measuring oxygen saturation in arterial blood. (SpO2). This process is based on two factors: A pulsatile signal is generated by the heart in arterial blood, which is not present in venous blood and other tissues. Oxyhemoglobin and reduced hemoglobin have different absorption spectra. Also, it is important to [...]