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Electrophysiologic Effects of Flecainide on Guinea Pig Atrium Miho Inoue 1 , Daisuke Inoue 1 , Takeshi Shirayama 1 , Ryuta Sakai 1 , Takashi Matsumoto 1 , Yasuhiro Yamahara 1 , Jun Asayama 1 , Hiroshi Katsume 1 , Masao Nakagawa 1 , Itsuki Omori 2 1Second Department of Medicine, Kyoto Prefectural University of Medicine 2Division of Cardiology, Kyoto Prefectural Rakuto Hospital Keyword: フレカイニド , 心房細動閾値 , 心房問伝導時間 , flecainide , atrial fibrillation threshold , interatrial conduction time pp.1099-1104
Published Date 1992/11/15
DOI https://doi.org/10.11477/mf.1404900572
  • Abstract
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We investigated the effects of flecainide on guinea pig atrial muscle. Using Langendorff's method, the whole heart of a guinea pig was perfused with Tyrode's solu-tion containing acetylcholine (3×10-7M). Then, with right atrial extrastimulus and high frequency pacing method, the following values were measured before and after administration of flecainide (10-7~10-5M). A) Effective refractory period (ERP) ; the longest coup-ling interval which failed to produce right atrial activi-ty at premature stimulus.


Copyright © 1992, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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