Mayo Clinic has a very good article about end-of-life issues, including what to expect before death--how to tell that death is imminent. I know that this is something that is often asked about here. They also offer tips on both home and hospital/hospice care, etc. Although cancer is in the title, it applies to anyone dying from disease. Here is the link:
"But that was yesterday, and I was a different person then."
Lewis Carroll, Alice in Wonderland