Watching and Waiting

This morning, I am going in to see him. I will probably spend a bit of time there. I am worried... of course I am... but anyway, his saturation levels keep dropping. Nurse told me he is on 95% oxygen. Soooo what happens when it reaches 100%? His lungs are being trashed.... they said it may be because of the excess water he has on him. Well, that is from the meds to stabilize his heart, and his heart is stabilized...

Right now he seems to be in some sort of cycle. How do I get them to break this before the "cure" kills him? I am lost and confused, but commonsense says this has to stop....