What is a Class 3 or Class 4 cardiac condition?

Related questions

1. What are the four stages of CHF?
2. What are the last stages of heart failure?
3. Can stress cause breathing problems?
4. Why do I feel breathless?
5. Can anxiety cause breathing problems?
6. What are the classifications of heart failure?
7. How long can you live with advanced heart failure?
8. Does heart failure mean you are dying?
9. What is dyspnea at rest?
10. Is congestive heart failure a death sentence?

Tags

1. #comfortable
2. #palpitation
3. #ordinary
4. #anginal
5. #physical
6. #marked
7. #dyspnea
8. #fatigue
9. #patients
10. #limitation
11. #cardiac
12. #resulting
13. #activity
14. #causes
15. #disease
16. #class