10ofRods
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There's an interesting debate going on among medical professionals (on the above twitter link) about the proper way to use a ventilator with patients who have COVID. The impression I got is that using high pressure to "force" more oxygen into the lungs is not effective and may lead to lung damage. They keep emphasizing that this is a NEW disease that likely requires new ventilator strategy/protocols.
Interestingly, there's anecdotal evidence that adults with Covid are presenting with O2 saturation at 70 or 80% who have no problem talking, laughing, breathing until they begin moving. Some are urging other docs to treat with O2 and don't intubate too early.
IMO
I'm reading several articles about how ventilators are not the way to go. Unfortunately, the way that CoVid robs us of oxygen is almost certainly related to how it binds with red blood cells and a number of other elements in the blood, robbing us of oxygen that way - lungs are relatively okay.
Even more unfortunately, there is little treatment for that. There are oxygen-saturating machines that can be used effectively. I also read that UK has only three of them. I think we have about 5 of them in California - so not much help. Hyperbaric oxygen chambers also work, but there are few of those as well - it's not at all scaleable. At this point, plasma from people who have survived seems to be promising but again, not scaled up yet. Several researchers are optimistic about drugs that will eventually denature the specific protein in CoVid that does this.
The recommendation to provide as much O2 without a ventilator, as is possible, appears to be the way many Italian and now New York physicians are trying to cope.
That low O2 level would explain why some people go to sleep feeling pretty okay and then wake up unable to move or almost unable to move.