My father as been admitted in this hospital three ...

My father as been admitted in this hospital three times and er once in a month. Staff especially case manager social workers and nurses don't communicate to me about what is going on with my dad. I have POA over my dad. His doctor is the same. I feel they are doing this to soak my dad's insurance. Now they want him in a home! No communication with me about it.. I hate this hospital. Where do I get to make the decisions. Also I go in to see my dad. He has congestive heart failure. I see he is very swollen. They have him on general diet. He should be on a low sodium, low cholesterol diet. Are they trying to kill him? If I don't see any changes in this matter it is time for a call to an attorney! Do they even read this?