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How is your blood oxygen level (SpO2) measured? How does a pulse oximeter work? One in all the best ways to do this is by utilizing a pulse oximeter1. This can be a small machine that pops on to a finger. By shining lights through the nail (a course of that you just can’t actually feel and doesn’t hurt in any respect), it measures how a lot of the Haemoglobin in the blood in your finger has oxygen attached to it. It gives the result as a share, with 100% that means the entire Haemoglobin coming by the area has oxygen connected. There are heaps of benefits to utilizing a pulse oximeter compared to different ways of testing oxygen ranges - it isn’t invasive, it doesn’t harm, you don’t want different equipment to process the reading, and the units are comparatively cheap and broadly available. For this reason, they're used by clinical staff in all settings each in the hospital and in the community, in addition to by many individuals in their very own properties.
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發表於 2025-8-11 02:05:59