Sorry, missed this. Given our crunch for beds, the folks who at this point come to us have to be very low on oxygen despite maximal support (high flow/pressure nasal cannula, bipap mask). So unfortunately most of them end up on the ventilator within the next 24 hours. Once on the vent we do paralyze the and prone them (put them on their belly). This helps with oxygenation. There is very little else we can do for these folks other than "supportive care". By the time they come to me, they already have been on steroids, received actemra, remdesivir (which we know think does not even work), vitamins, antibiotics. If we find another fixable issue great, but mostly it is simply covid making a mess in their lungs.
If a patient qualifies, and if there are beds available elsewhere, we send them for ECMO, which is a machine that oxygenates the body outside of the lungs. Again, simply another method of supportive care, does not fix the issue but rather buys us more time. Unfortunately, ECMO beds are extremely limited. And not every patient qualifies for it (specific criteria).
We also do plasma exchange. This completely experimental. It seemed to work great for the first waves, but with delta we've had much less success.
So sadly it is a matter of supporting the body and wait for it to heal. Some do. Most don't.