Thanks for the kind words, he's home (yesterday afternoon) and doing better. May not be for long, but he is home where he wants to be. He refused further treatment (open heart surgery among other things). At 86, I would be doing the same thing he is. From my experience with others I have known, intervention like this at this age usually makes things worse and the end result is the same, possibly much sooner too.
Now I need to go order some of these latest gadgets just posted...