>So my general impression is that red blood cells are failing to get adequate oxygen
There does not seem to be evidence of this.
The trouble breathing and O2 exchange is happening because the aveoli are collapsing in bad cases. This occurs when pulmonary vasodilation causes fluid to get in between the aveoli and capillaries.
There does not seem to be evidence of this.
The trouble breathing and O2 exchange is happening because the aveoli are collapsing in bad cases. This occurs when pulmonary vasodilation causes fluid to get in between the aveoli and capillaries.