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  1. F100 環境医学研究所
  2. F100b 紀要
  3. Environmental medicine : annual report of the Research Institute of Environmental Medicine
  4. 47

Virtual Electrode-induced Spiral Reentry in Ventricular Myocardium Perfused in-vitro

https://doi.org/10.18999/envm.47.72
b111acd9-5aee-4ecf-a75d-c4027fae0f5d
名前 / ファイル ライセンス アクション
72-75.pdf 72-75.pdf (495.8 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2007-04-09
タイトル
タイトル Virtual Electrode-induced Spiral Reentry in Ventricular Myocardium Perfused in-vitro
著者 Arafune, Tatsuhiko

× Arafune, Tatsuhiko

WEKO 16018

Arafune, Tatsuhiko

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Mishima, Akira

× Mishima, Akira

WEKO 16019

Mishima, Akira

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Sakuma, Ichiro

× Sakuma, Ichiro

WEKO 16020

Sakuma, Ichiro

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Inada, Hiroshi

× Inada, Hiroshi

WEKO 16021

Inada, Hiroshi

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Shibata, Nitaro

× Shibata, Nitaro

WEKO 16022

Shibata, Nitaro

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Nakagawa, Harumichi

× Nakagawa, Harumichi

WEKO 16023

Nakagawa, Harumichi

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Yamazaki, Masatoshi

× Yamazaki, Masatoshi

WEKO 16024

Yamazaki, Masatoshi

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Honjo, Haruo

× Honjo, Haruo

WEKO 16025

Honjo, Haruo

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Kodama, Itsuo

× Kodama, Itsuo

WEKO 16026

Kodama, Itsuo

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キーワード
主題Scheme Other
主題 defibrillation
キーワード
主題Scheme Other
主題 spiral reenry
キーワード
主題Scheme Other
主題 optical mapping
キーワード
主題Scheme Other
主題 virtual electrode
抄録
内容記述 A new optical mapping system and micro electrodes for recording cardiac excitation propagation from isolated hearts was developed and used in experiments to study the effects of DC defibrillation stimulation induced Virtual Electrode Polarization. Isolated rabbit hearts stained with the voltage-sensitive dye, di-4-ANEPPS, ware illuminated by high luminance bluish-green LED. The emitted fluorescence was cut off lower wavelength than 600 [nm] and captured by high-speed digital video camera (Fastcam40K, Photron). The recorded image was transferred PC and digital image processed. Application of anodal/cathodal point stimulation during resting potential phase resulted in make-excitation derived from virtual electrode and excitation wave front propagated. However, point stimulus during plateu phase induced break-excitation from virtual anode/cathode and some cases of particular coupling interval spiral excitation started from the edge of break-excitation and became reentry. The same mechanism of virtual electrode-induced spiral reentry was observed at point stimulation during ventricular tachycardia(VT). Possible mechanisms of the ventricular fibrillation (VF) starts from defibrillation failure are discussed.
内容記述タイプ Abstract
内容記述
内容記述 国立情報学研究所で電子化したコンテンツを使用している。
内容記述タイプ Other
出版者
出版者 Research Institute of Environmental Medicine, Nagoya University
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
ID登録
ID登録 10.18999/envm.47.72
ID登録タイプ JaLC
ISSN(print)
収録物識別子タイプ ISSN
収録物識別子 0287-0517
書誌情報 Environmental Medicine : annual report of the Research Institute of Environmental Medicine, Nagoya University

巻 47, p. 72-75, 発行日 2003-12
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/7602
識別子タイプ HDL
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