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Persistent atrial fibrillation originating from the prominent Eustachian ridge: Precise identification of non-pulmonary vein foci using the Advisor™ HD Grid catheter
  • +3
  • Yasuteru Yamauchi,
  • Rena Nakamura,
  • Takatoshi Shigeta,
  • Yuichiro Sagawa,
  • Kaoru Okishige,
  • Tetsuo Sasano
Yasuteru Yamauchi
Japan Redcross Yokohama City Bay Hospital

Corresponding Author:yasuteru1020@gmail.com

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Rena Nakamura
Japan Red Cross Yokohama-city Bay Hospital
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Takatoshi Shigeta
Yokohama Bay Red Cross Hospital
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Yuichiro Sagawa
Yokosuka Kyousai Hospital
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Kaoru Okishige
Yokohama-city Port Red Cross Hospital
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Tetsuo Sasano
Tokyo Medical and Dental University
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Abstract

We describe a rare case of persistent atrial fibrillation originating from the prominent Eustachian ridge. A detailed mapping using the Advisor™ HD Grid catheter enabled precise identification of the non-pulmonary vein foci at the prominent Eustachian ridge. A local interatrial conduction block was observed during a single ectopy or short run. Highly localized radiofrequency ablation could completely cure persistent atrial fibrillation.