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Unmasked antegrade preexcitation of nodoventricular fiber following the slow pathway ablation: a case of successful mapping of the right ventricular insertion site
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  • Gaku Izumi,
  • Hisashi Yokoshiki,
  • Ryo Sasaki,
  • Yuki Chiba,
  • Hirokuni Yamazawa,
  • Atsuhito Takeda
Gaku Izumi
Hokkaido University Graduate School of Medicine
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Hisashi Yokoshiki
Sapporo City General Hospital
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Ryo Sasaki
Hokkaido University Graduate School of Medicine
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Yuki Chiba
Hokkaido University Graduate School of Medicine
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Hirokuni Yamazawa
Hokkaido University Graduate School of Medicine
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Atsuhito Takeda
Hokkaido University Graduate School of Medicine
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Abstract

We described a 15-year-old boy who underwent the catheter ablation for the nodoventricular tachycardia that had difficulty in differentiation from atrioventricular nodal reentrant tachycardia with upper common pathway. The slow pathway ablation revealed an anterograde conduction of nodoventricular fiber. We successfully performed the catheter ablation targeting for the right ventricular insertion site of the nodoventricular fiber.