Everything's fine. I'm back home, lying on the sofa with my foot in the elevated position, slightly loopy on Percocet.
Thanks to all the cool doctors and nurses and the University of Wisconsin Hospital. Thanks to all of you for your good wishes. And thanks to my beautiful husband.
ADDED: Where I was at 6:38:
IN THE COMMENTS: Our ghost, Sir Archy, tells a tale of surgery/death.