1. AR (moderate) 2. AR 3. AR 4. AR (severe) 5. AR 6. AR (retroverted cusp) 7. AR (severe) 8. AR amyl nitrite 9. AR (acute severe) 10. AR handgrip 11. AR Valsalva 12. AR 13. PR/PH expiration 14. PR/PH inspiration 15. Patent ductus arteriosus 16. AS/AR