Key result
Accessory pathway RF ablation induces sequential anterograde followed by retrograde conduction block.
Demonstrates the electrophysiological phenomenon of sequential anterograde and retrograde conduction block during accessory pathway ablation.
May aid intraprocedural monitoring during accessory pathway ablation; extends electrophysiologic observations but remains hypothesis-generating.
We present an interesting image showing sequential loss of anterograde, and subsequently, retrograde conduction during radiofrequency ablation of an accessory pathway. We discuss the possible mechanisms and prior literature concerning this interesting finding.
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Ramasamy et al. (2013) studied this question. Radiofrequency ablation of an accessory pathway demonstrated sequential loss of anterograde conduction followed by retrograde conduction.
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