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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Quatrefoil reentry ： ウィキペディア英語版 Quatrefoil reentry Quatrefoil reentry is a type of cardiac arrhythmia that consists of two adjacent figure-of-eight reentrant circuits. Quatrefoil reentry was predicted by bidomain simulations in 1991 and observed experimentally in 1999. Quatrefoil reentry can be induced by stimulating the heart through a single electrode twice, with the second stimulus timed near the end of the refractory period of the first action potential. If the second stimulus is a cathode, the wave fronts propagate initially parallel to the myocardial fibers; if it is an anode, the wave fronts propagate initially perpendicular to the fibers. Quatrefoil reentry can be understood qualitatively using a simple cellular automaton. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Quatrefoil reentry」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.