Why does aortic stenosis cause systolic murmur?

Related questions

1. Does aortic stenosis cause cyanosis?
2. Why does increased afterload decreased aortic stenosis murmur?
3. Does aortic stenosis always progress?
4. Who qualifies for TAVR procedure?
5. Where do you hear the murmur of aortic stenosis?
6. Is aortic stenosis serious?
7. What murmurs increase with inspiration?
8. How do you describe aortic stenosis murmur?
9. Does aortic stenosis make you tired?
10. Can Valsalva maneuver cause death?

Tags

1. #diastolic
2. #regurgitation
3. #diseased
4. #narrowed
5. #during
6. #flows
7. #relaxation
8. #systolic
9. #orifice
10. #ventricular
11. #valve
12. #result
13. #ejected
14. #valves
15. #through
16. #blood
17. #pressures
18. #aortic
19. #backward
20. #pulmonic
21. #stenosis
22. #murmur
23. #conversely