How dangerous are heart murmurs?

Related questions

1. What is life expectancy after aortic valve replacement?
2. What happens aortic regurgitation?
3. Is aortic regurgitation dangerous?
4. What happens if heart valves are not functioning properly?
5. Can heart valve problems be treated with medication?
6. What causes aortic valve regurgitation?
7. What is the life expectancy after aortic valve replacement?
8. How serious is a heart valve replacement?
9. What is the most common cause of aortic regurgitation?
10. Is moderate tricuspid regurgitation dangerous?

Tags

1. #caused
2. #murmurs
3. #heart
4. #children
5. #valve
6. #often
7. #usually
8. #adults
9. #acquired
10. #murmur
11. #congenital
12. #disease
13. #problems
14. #abnormal
15. #serious