What causes atrial flutter (AFL) following open heart surgery?

Updated: Nov 18, 2019
  • Author: Lawrence Rosenthal, MD, PhD, FACC, FHRS; Chief Editor: Jeffrey N Rottman, MD  more...
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Atrial flutter may be a sequela of open heart surgery. After cardiac surgery, atrial flutter may be reentrant as a result of natural barriers, atrial incisions, and other cardiac scars. Some patients develop atypical left atrial flutter after pulmonary vein isolation procedures for atrial fibrillation.

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