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Is Pulse Ox actually useful for the average Joe? I'd be concerned if my Blood Oxygen level would actually be 94% during sleep. I get it for high altitude acclimatization but what
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Helene-Mari van der Westhuizen on X: "If at all possible❗️get a pulse oximeter. ❗️If you develop covid-19, you may not feel breathless but your blood oxygen levels can be low. If the
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