How is atrial fibrillation (AF) or atrial flutter identified in Wolff-Parkinson-White (WPW) syndrome?

Updated: Jan 08, 2017
  • Author: Christopher R Ellis, MD, FACC, FHRS; Chief Editor: Mikhael F El-Chami, MD  more...
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AF or atrial flutter can be recognized by the presence of abnormal aberrant QRS complexes and irregular RR intervals. In this setting, drugs that prolong the refractory period of the bypass tract should be used, including procainamide (class Ia agent).

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