Quote:
Originally Posted by Taf
If you try to hold your breath for a long time, it's not a lack of oxygen that forces you to breathe but the build-up of carbon dioxide in your blood. Whales and other animals can turn off this response, so can dive for extended periods. Covid 19 is perhaps doing this too, as some people are not feeling breathless but the levels of oxygen in their blood are dangerously low?
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Strangely enough, I had the very same conversation with my bro-in-law today (he lives in Connecticut) - his partner has had symptoms, so he got hold of a Sat02 monitor because he is finding from hospital colleagues and unpublished data that patients are getting low Sat02 in absence of respiratory symptoms then crashing, leading to devastating effects.
(Sat02 monitor - blood oxygen saturation monitor, clips on the end of your finger)