A case of typical atrial flutter causing unexpected advanced atrioventricular block despite lateral cavotricuspid isthmus ablation
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概要
- 論文の詳細を見る
Here, we report a case of a 69-year-old patient with paroxysmal atrial fibrillation and inducible typical atrial flutter who required catheter ablation. After pulmonary vein isolation, cavotricuspid isthmus ablation was performed. During ablation at a lateral site of the cavotricuspid isthmus, a spiky potential appeared at the distal electrode of the ablation catheter, and subsequently, a 2:1 atrioventricular (AV) block occurred. Radiofrequency (RF) delivery at the same site caused a similar phenomenon, implying that the spiky potential may reflect a slow pathway potential as an anatomical variant of the rightward extension of the AV node.
著者
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Haruta Hironori
Division of cardiology, Department of Medicine, Nihon University school of Medicine
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Kofune Masayoshi
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Watanabe Ichiro
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Nagashima Koichi
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Kofune Tatsuya
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Okumura Yasuo
Division Of Cardiology Department Of Cardiovascular Disease Nihon University School Of Medicine
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Nakai Toshiko
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Ohkubo Kimie
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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Hirayama Atsushi
Division Of Cardiology Department Of Internal Medicine Nihon University School Of Medicine
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Mano Hiroaki
Division Of Cardiology Department Of Medicine Nihon University School Of Medicine
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SONODA Kazumasa
Division of Cardiology, Department of Medicine, Nihon University School of Medicine
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