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Wenckebach phenomenon

Pronunciation: venk'e-bahk

Definition: progressive lengthening of conduction time in any cardiac tissue (most often the AV node or junction) with ultimate dropping of a beat (AV Wenckebach) or reversion to the initial conduction time (as in QRS Wenckebach).

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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