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Optimization of electrode location and size on simulation in electric field distribution of atrial defibrillation / 中国医疗器械杂志
Chinese Journal of Medical Instrumentation ; (6): 88-93, 2014.
Article Dans Chinois | WPRIM | ID: wpr-259925
ABSTRACT
A distributed simulation method of electric field based on the atrial defibrillation of the heart modeling and finite element solution is proposed in this study. In order to solve the problem that ordinary clinical trials could not measure the actual distribution of the defibrillation electric field in the heart accurately, this method provides a research tool for electrical defibrillation. A complete atrial anatomical structure in the heart model is used in the research, the finite element method is proceeded to solve; Three parameters defibrillation threshold voltage, the high field strength rate and the defibrillation threshold energy are set to evaluate the effect of defibrillation. The heart electric field distributions of transvenous atrial defibrillation with different electrode locations or sizes are simulated. The simulation results and the reported results match fairly well, which initially verify the feasibility of this method.
Sujets)
Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Fibrillation auriculaire / Thérapeutique / Simulation numérique / Défibrillation / Électrodes / Méthodes langue: Chinois Texte intégral: Chinese Journal of Medical Instrumentation Année: 2014 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Fibrillation auriculaire / Thérapeutique / Simulation numérique / Défibrillation / Électrodes / Méthodes langue: Chinois Texte intégral: Chinese Journal of Medical Instrumentation Année: 2014 Type: Article