Linn,
My experience with these surgeries is that things develop minute by minute. Like Kendall's feeding tube last week. You are exhausted. Tom is honestly in the best hands possible. If they are concerned about his oxygen levels, then there are real reasons to be concerned. He is safe where he is. "Can't decide" means they are waiting to see if he can recover on his own. If not, then they'll do some xrays, tests, etc and figure out what the next step is.
Breathe, girl. The whole business if frustrating and frightening but you need to stay level-headed, take notes, and ask questions.
Eating crap is the worst thing you can do - you won't be able to sleep tonight.
Tom is there for the night either in the PACU or in a room. Plan on spending the night in the hotel. Plan to sit down with a glass of wine and a hot meal. Take care of yourself.
Don't be surprised if they decide to keep him for a day or two. Again, these things happen minute by minute and honest - Tom's well being is everyone's first priority.
I am sorry you are down there alone. Jacqui had Kendall's daughters to share the misery. Had we known this would happen we could have arranged some company for you.
PM with a number and I will call later.
Mary