How is a regular tachycardia differentiated from 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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A regular tachycardia of sudden onset and termination that allows for some cycle-length oscillation (which can be usually initiated and terminated with programmed atrial stimulation) and that is usually responsive to electrical cardioversion favors a reentrant mechanism.

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