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COVID-19: Ins and outs of Oximeters

When we breathe, oxygen enters our lungs and passes into our blood stream where it is collected by red blood cells and carried around the body. An oximeter can be used to spot check how well the oxygen is binding to your red blood cells through your finger. Previously most commonly used pre and post-exercise, pre and post-operations and to monitor respiratory conditions, they have become more common since the COVID-19 pandemic.

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