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Paper Abstract and Keywords
Presentation 2005-01-29 09:20
A New Visualization Algorism for the Mapping of Cardiac Arrhythmias by Multipolar electrodes -- Automatic Construction of the Propagation Maps --
Takenori Yao (Shiga Univ. of Med. Sci.), Tsunetoyo Namba (Kagawa Pref. Coll. of Health Sci.), Takashi Ashihara (Kyoto Univ.), Ryo Haraguchi, Kazuo Nakazawa (NCVC), Takanori Ikeda (Kyorin Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Multielectrode cardiac mapping is used for clarifying myocardial activation sequences in an experimental study for cardiac arrhythmias or even in such a clinical examination. To visualize the activation propagation as an isochronal map or movie, the determination in manual of a series of activation time in every electrode is indispensable, however it is an extremely hard work, and moreover it is often difficult to be executed objectively and accurately, especially in visualizing the complicated arrhythmias such as atrial fibrillation. We developed a new algorithm to automatically visualize the activation propagation from the multielectrode mapping data. Utilizing this algorithm enabled us to clearly visualize even the complicated propagation, and also to clearly visualize the abnormal conduction, which becomes an important clue for clarifying the arrhythmia mechanisms. Clinically, this algorithm might possibly help the ablation therapy by quick identification of the origin of the arrhythmias.
Keyword (in Japanese) (See Japanese page) 
(in English) multielectrode mapping / cardiac arrhythmias / visualization algorithm / reentry / / / /  
Reference Info. IEICE Tech. Rep., vol. 104, no. 644, MBE2004-74, pp. 5-8, Jan. 2005.
Paper # MBE2004-74 
Date of Issue 2005-01-22 (MBE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee MBE  
Conference Date 2005-01-29 - 2005-01-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Inst. of Tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2005-01-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A New Visualization Algorism for the Mapping of Cardiac Arrhythmias by Multipolar electrodes 
Sub Title (in English) Automatic Construction of the Propagation Maps 
Keyword(1) multielectrode mapping  
Keyword(2) cardiac arrhythmias  
Keyword(3) visualization algorithm  
Keyword(4) reentry  
1st Author's Name Takenori Yao  
1st Author's Affiliation Shiga University of Medical Science (Shiga Univ. of Med. Sci.)
2nd Author's Name Tsunetoyo Namba  
2nd Author's Affiliation Kagawa Prefectural College of Health Sciences (Kagawa Pref. Coll. of Health Sci.)
3rd Author's Name Takashi Ashihara  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Ryo Haraguchi  
4th Author's Affiliation National Cardiovascular Center (NCVC)
5th Author's Name Kazuo Nakazawa  
5th Author's Affiliation National Cardiovascular Center (NCVC)
6th Author's Name Takanori Ikeda  
6th Author's Affiliation Kyorin University (Kyorin Univ.)
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Date Time 2005-01-29 09:20:00 
Presentation Time 20 
Registration for MBE 
Paper # IEICE-MBE2004-74 
Volume (vol) IEICE-104 
Number (no) no.644 
Page pp.5-8 
#Pages IEICE-4 
Date of Issue IEICE-MBE-2005-01-22 

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