Key result
Right atrial parasystole can originate from isolated activities in the right inferior pulmonary vein via an epicardial connection to the right atrium.
Why the study?
Electrophysiologists sometimes encounter right-sided pulmonary veins that are difficult to isolate during atrial fibrillation ablation, potentially related to an epicardial connection between the right-sided carina and the right atrium.
Design
Case_report
Authors
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May prompt mapping for epicardial pulmonary vein connections in right atrial parasystole; leaves open prevalence and clinical relevance.
Case Report
Highlights the potential for epicardial connections between the right-sided pulmonary vein carina and right atrium to complicate pulmonary vein isolation in atrial fibrillation.
Hanaki et al. (2020) conducted a case report in Right atrial parasystole / Atrial fibrillation. Pulmonary vein isolation was evaluated. Right atrial parasystole can originate from isolated activities in the right inferior pulmonary vein via an epicardial connection to the right atrium.
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