Reference : Influence of thermoelectric coupling on pacemaker activity generated by mechano-electric...
Scientific congresses and symposiums : Poster
Engineering, computing & technology : Mechanical engineering
http://hdl.handle.net/2268/92887
Influence of thermoelectric coupling on pacemaker activity generated by mechano-electric feedback in a one-dimensional ring-shaped model of cardiac fiber
English
Collet, Arnaud mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Thermodynamique des phénomènes irréversibles >]
Desaive, Thomas mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Thermodynamique des phénomènes irréversibles >]
Pierard, Luc mailto [Université de Liège - ULg > Département des sciences cliniques > Cardiologie - Pathologie spéciale et réhabilitation >]
Boman, Romain mailto [Université de Liège - ULg > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire >]
Dauby, Pierre mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Thermodynamique des phénomènes irréversibles >]
1-Jun-2011
No
No
International
2011 NHLBI /VCU - World Congress on Mathematical Modeling and Computational Simulation of Cardio vascular and Cardiopulmonary Dynamics
du 1 juin 2011 au 3 juin 2011
Williamsburg, VA
USA
[en] Biomechanics ; Mechano-electric feedback ; Electrophysiology ; Excitation-contraction coupling ; Thermoelectric coupling ; Cardiac tissue
[en] The mechano-electric feedback (MEF) in the heart consists in the influence of the tissue deformations on the cardiac electrical activity. Under certain conditions, tissue deformations can generate electrical perturbations via stretch-activated channels, such that the membrane potential can exceed the threshold value needed in order to trigger cardiac action potentials (APs). In the present study, we have developed a one-dimensional ring-shaped model of cardiac fiber taking into account three different couplings: the excitation-contraction coupling (ECC), the MEF and the thermoelectric coupling (TEC). The main goal of this work is to examine the effects of the TEC on the different properties of the pacemaker activity generated by the MEF.
Thermodynamique des Phénomènes Irréversibles (TPI) ; Laboratoire de mécanique numérique non linéaire (MN²L)
Researchers ; Professionals
http://hdl.handle.net/2268/92887

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