What are the 4 stages of heart failure?

Related questions

1. At what ejection fraction is heart failure?
2. What does a low ejection fraction mean?
3. Can heart failure kill you?
4. How is EF calculated?
5. Can a pacemaker help heart failure?
6. Can your ejection fraction get better?
7. How long does a person live with congestive heart failure?
8. Can heart ejection fraction be improved?
9. Can a pacemaker improve ejection fraction?
10. What is a normal EF?

Tags

1. #blood
2. #there
3. #different
4. #cholesterol
5. #stages
6. #obesity
7. #failure
8. #factors
9. #heart
10. #pressure