Why is aortic stenosis a systolic murmur?

Related questions

1. Where is the murmur of aortic stenosis best heard?
2. Can aortic stenosis cause tachycardia?
3. Does aortic stenosis cause AFIB?
4. Is aortic stenosis considered ischemic heart disease?
5. Does aortic valve replacement cause AFib?
6. Does aortic stenosis cause a murmur?
7. How does aortic stenosis cause syncope?

Tags

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