Differences in organization between acute and chronic atrial fibrillation in dogs.

  title={Differences in organization between acute and chronic atrial fibrillation in dogs.},
  author={H J Sih and Douglas Peter Zipes and Edward J. Berbari and David E. Adams and Jeff E Olgin},
  journal={Journal of the American College of Cardiology},
  volume={36 3},
OBJECTIVES The purpose of this study was to determine differences in acute and chronic atrial fibrillation (AF) "organization" in canine models. BACKGROUND Electrophysiologic changes occur during atrial remodeling, but little is known about how remodeling affects AF organization. We hypothesized that atrial remodeling induced by long-term rapid atrial rates heterogeneously decreases AF organization. METHODS In seven dogs, acute AF was induced by atrial burst pacing, and in eight dogs… CONTINUE READING


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