What is the current definition for 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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WPW syndrome is currently defined as a congenital abnormality involving the presence of abnormal conductive cardiac tissue between the atria and the ventricles in association with supraventricular tachycardia (SVT). It involves preexcitation, which occurs because of conduction of an atrial impulse not by means of the normal conduction system, but via an extra atrioventricular (AV) muscular connection, termed an accessory pathway (AP), that bypasses the AV node. [4, 7]

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