They all seem kind of clueless, don't they? Well, of course her mobility is poor or non-existent--she has fallen so many times she has undoubtedly done damage to the hip replacement. Do they need an order from the ortho surgeon to do a simple x-ray?
Unfortunately, I think you are right: They will get her to a point where they feel comfortable in discharging her home and it will be the same old, same old again. Who knows how long this could go on?
You take care of YOU--that's of utmost importance.
Big hugs,
Connie