Why are left sided murmurs louder on expiration?

Related questions

1. Can aortic valve stenosis cause a heart attack?
2. Which murmur increases with Valsalva?
3. How long can a person live with severe aortic stenosis?
4. Does aortic stenosis cause atrial fibrillation?
5. Does Valsalva increase preload?
6. What increases Hocm murmur?
7. What causes narrowing of the aorta?
8. Does squatting increase preload or afterload?
9. What is the life expectancy of someone with hypertrophic cardiomyopathy?
10. Why does aortic stenosis cause chest pain and dizziness?

Tags

1. #louder
2. #blood
3. #return
4. #tricuspid
5. #regurgitation
6. #through
7. #mitral
8. #expiration
9. #murmur
10. #during
11. #venous
12. #increase
13. #valve
14. #quiet
15. #making
16. #veins
17. #becomes
18. #conversely
19. #backwards
20. #lessened
21. #heart
22. #pulmonary