In our nursing home, last year , a resident was sent to hospital because she was very ill. About 3 days later she was returned to our home with a hospital report saying she was dehydrated and had been on a drip for the time she was in hospital, and therefore,, rehydrated.. An hour after her return she collapsed and an ambulance was called. At the hospital, (same one she'd just been released from) the emergency doctors announced that she was dehydrated. The nurse on duty at the nursing home spoke to one of the doctors who'd diagnosed our resident, explaining that she'd only been released an hour before. Guess what,,, He changed the diagnosis. She was diagnosed with a water infection, treated with antibiotics and recovered.