My father is 79, Currently residing in a FL. Rehab - following a routine operation for a stint in his urinary track -- complications incurred due to his current situation of Diabetic, 4th stage kidney renal Failer, Congestive Heart failure ( Pace maker) UTI, Gout, Arthritis, bed sores, Aspirated Pneumonia, Pic line, and now Bedridden ( Has not walked since April 1 2014) Approx. 20 Lbs. of excess water weight.... How long will he live like this? (Also to get Medicare to pay for extended care -- Is there something he can be diagnosed with a Chronically Illness that is covered