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Updated: Jul 9, 2025

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Paradoxical interatrial conduction recovery after cavotricuspid isthmus ablation: A case report
Martín Negreira-Caamaño1, Ez Alddin Rajjoub1, Rafael Salguero-Bodes1
1Cardiology Department, 12 de Octubre University Hospital, Madrid, Spain.
Abstract:
We present a case of a patient with advanced interatrial block who was admitted for cavotricuspid isthmus ablation as treatment of typical atrial flutter. A baseline advanced interatrial block pattern turned into partial interatrial block pattern and prolonged PR interval after the procedure. We discuss the mechanism underlying that change.
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