Can a pacemaker improve ejection fraction?

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  1. #against
  2. #dangerous
  3. #ejection
  4. #normal
  5. #device
  6. #rhythms
  7. #combination
  8. #improve
  9. #pumped
  10. #protect
  11. #ranges
  12. #these
  13. #ventricle
  14. #being
  15. #blood
  16. #measurement
  17. #heart
  18. #fraction