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Pacing Clin Electrophysiol. 2001 Apr;24(4 Pt 1):512-4.

Dual AV nodal pathway physiology after injury with radiofrequency energy in a patient without a history of reentrant tachycardia.

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Division of Cardiology, University of California, Davis Medical Center, Sacramento, California, USA.


Radiofrequency (RF) atrioventricular (AV) nodal modification has been reported to occasionally produce a proarrhythmic effect. Dual AV nodal pathway physiology in patients without reentrant tachychardia has also been reported. This case describes AV nodal modification with RF energy in an anatomically intermediate area resulting in the appearance of discontinuous antegrade conduction curves and reentry in a patient in which these were previously not present. This suggests that AV nodal injury may be a mechanism for acquired AV nodal reentry.

[Indexed for MEDLINE]

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