How long do I have to live? (stage 4 congestive heart failure)? I have been diagnosed with stage 4 congestive heart failure. I am only 31 years old, female, and I have an enlarged heart, with a 25% left ventricle pump. The heart doc I go to is great, but won t tell me how long I have, although, I know, it s bad. Thank you for all the frank answers. I am the kind of person that likes to see things clearly, as they are. Yes, I am tired all the time, and feel like I cannot breath. This has all happened so fast, and regardless of my diagnosis, I will not go down without a fight. I still believe in miracles, and I believe mine is on the way. God works through Doctors too. Thought I should add, I m taking Prinivil, Coreg, and Lasix. I m 125lbs, 5 4.