I am a fifty-two yr. old woman who has had trouble with breathing and extreme fatigue. So much so that I had to quit work as a home health aid 8 months ago. Finally in Sep. after 4 hospital stays I was diagnosed with chf. I was told that my heart was only working at 50 percent. I also have a stent that was put in May of 2009. What all does CHR entail and can I ever go back to work again?