Pulse oximeters should not be used to diagnose Covid-19, US FDA says

in hive-116221 •  4 years ago 

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January, the World Health Organisation included use of pulse oximeter to identify patients who might need hospitalisation in its clinical advice for treating Covid-19.

But the FDA said the devices cannot be used to diagnose or rule out Covid-19, and generally it recommended not relying on them to assess health.

It recommended paying attention to other indicators of low oxygen, such as blueness of the face or a racing pulse.

The US health agency said the device might be "useful" for estimating blood oxygen levels, but multiple factors can affect the accuracy of a pulse oximeter reading, such as poor circulation, skin pigmentation, skin thickness, skin temperature, current tobacco use and use of fingernail polish.


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