just a note to let you know we arrived safe and sound in Ecuador...Izzy went thru 4 airports without being scanned...they have never had a dog with a pacemaker at any of them so she was quite the nove...
I was thinking to ask your new friends if they know a gardener. I'd see if he might save you a handful of fresh cut grass you could sprinkle on that puppy pad. I don't know if that would be enough to "trigger" Izzy's potty response, but it's worth a try.