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|linkpage =Anaesthesia
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Pulse oximetry is an non invasive measurement of haemoglobin oxygen saturation. It also, in the process, reads pulse rate. It is based on differing infrared absorptions of saturated and unsaturated haemoglobin within the circulation. A probe is used which has both the transmitter and receiver of infrared light within it. It is commonly placed on the tongue but other sites include ear, toe and vulva/prepuce. It is important that the probe is not placed on a pigmented region.
Pulse oximetry is an non invasive measurement of haemoglobin oxygen saturation. It also, in the process, reads pulse rate. It is based on differing infrared absorptions of saturated and unsaturated haemoglobin within the circulation. A probe is used which has both the transmitter and receiver of infrared light within it. It is commonly placed on the tongue but other sites include ear, toe and vulva/prepuce. It is important that the probe is not placed on a pigmented region.