What is s3 and s4 in heart sounds?

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Tags

1. #unlike
2. #patient
3. #pitched
4. #finding
5. #sound
6. #lateral
7. #rarely
8. #often
9. #setting
10. #position
11. #diastolic
12. #decubitus
13. #heart
14. #normal
15. #pearl
16. #heard
17. #clinical