Karen's doing a lot better. She has started getting up a couple times a day to walk around, and only needs oxygen intermittently at this point. She's allowed - and able - to drink clear liquids now; which also, somehow, includes black coffee. She's still not sleeping very well, although ironically, had a good long nap after finally having coffee again.
They are back and forth with the catheter, removing it then putting it back in. But other than that, things are looking good.