Update:
My dad called 911 for my grandma, and she does indeed have a broken hip. She's on morphine, and her reply to that was:
"Will that interfere with the cocaine?"
She's going to have hip replacement surgery, and will be back home in about a month.
As for my grandpa, he's being put on hospice care. Surgery to help the leg would probably end up killing him. My grandma is at peace with what's happened (with her and Grandpa), which really surprised the hell out of me. He's lived a long life (88 years), and survived two cancers (colon and prostate).