Well looks like it's actually possible to push below 50 SpO2 and not pass out. Wonder what the accuracy of these are at those numbers.pic.twitter.com/kNIiPL6GaD
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Huh looks like most pulse oximeters are only declared accurate between 70-100%. Welp.
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I think this is reasonable given that if you're at 70% or below for any meaningful length of time then you should be in hospital.
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(And indeed this is true even for higher numbers than that)
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