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Influence of thermoelectric coupling on ectopic beats generated by mechano-electric feedback (MEF) in a one-dimensional cardiac fiber model
Collet, Arnaud; Desaive, Thomas; Pierard, Luc et al.
2010In 9th Belgian Day on Biomedical Engineering, Friday November 26th 2010 in the Academy Palace, Hertogstraat 1, 1000 Brussels
Peer reviewed
 

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Keywords :
Biomechanics; Electrophysiology; Cardiac Mechano-Electric Feedback (MEF); Computational model
Abstract :
[en] The influence of thermal processes on electrophysiology has clearly been underlined by Bini et al., using a FitzHugh--Nagumo-type (FHN-type) model. When the temperature is raised, the action potential duration (APD) has been shown to shorten, while the action potential (AP) amplitude decreases, and the conduction velocity increases. In this research, we investigate the effects of thermoelectric coupling on mechano-electric feedback (MEF), and more specifically, on ectopic beats generated by MEF. To investigate these effects, thermoelectric coupling is introduced in a one-dimensional electromechanical model of a cardiac fiber, which considers excitation-contraction coupling (ECC), as well as MEF.
Research center :
Thermodynamique des Phénomènes Irréversibles
Disciplines :
Mechanical engineering
Author, co-author :
Collet, Arnaud ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Thermodynamique des phénomènes irréversibles
Desaive, Thomas  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Thermodynamique des phénomènes irréversibles - Département d'astrophys., géophysique et océanographie (AGO)
Pierard, Luc ;  Université de Liège - ULiège > Cardiologie
Boman, Romain  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire
Dauby, Pierre  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Thermodynamique des phénomènes irréversibles
Language :
English
Title :
Influence of thermoelectric coupling on ectopic beats generated by mechano-electric feedback (MEF) in a one-dimensional cardiac fiber model
Publication date :
26 November 2010
Event name :
9th Belgian Day on Biomedical Engineering
Event organizer :
National Committee on Biomedical Engineering (NCBME)
Event place :
Bruxelles, Belgium
Event date :
26 novembre 2010
Main work title :
9th Belgian Day on Biomedical Engineering, Friday November 26th 2010 in the Academy Palace, Hertogstraat 1, 1000 Brussels
Peer reviewed :
Peer reviewed
Funders :
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture [BE]
The French Community of Belgium (Actions de Recherches Concertées – Académie Wallonie-Europe)
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since 07 January 2011

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