Concertina-like phenomenon in ventricular preexcitation due to spontaneous atrioventricular nodal wenckebach periodicity

M. S. Wen, S. J. Yeh, C. C. Wang, F. C. Lin, D. Wu*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

Abstract

Electrophysiologic study and radiofrequency ablation therapy were performed in a 28-year-old male patient with the Wolff-Parkinson-White syndrome and electrocardiographic manifestation of concertina phenomenon. His bundle recordings showed a sinus cycle length of 720=ms with a cyclic variation of QRS morphologies of every 3 beats and an antidromic atrial echo following the last fully preexcited QRS complex. After successful radiofrequency ablation of a left posterior accessory pathway, spontaneous 3:2 atrioventricular nodal Wenckebach periodicity was noted and the mechanism of the concertina phenomenon was unraveled.

Original languageEnglish
Pages (from-to)937-938
Number of pages2
JournalChest
Volume105
Issue number3
DOIs
StatePublished - 1994
Externally publishedYes

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