PMID: 9444836Jan 28, 1998Paper

A new three-dimensional finite-difference bidomain formulation for inhomogeneous anisotropic cardiac tissues

IEEE Transactions on Bio-medical Engineering
H I Saleheen, K T Ng

Abstract

Bidomain modeling of cardiac tissues provides important information about various complex cardiac activities. The cardiac tissue consists of interconnected cells which form fiber-like structures. The fibers are arranged in different orientations within discrete layers or sheets in the tissue, i.e., the fibers within the tissue are rotated. From a mathematical point of view, this rotation corresponds to a general anisotropy in the tissue's conductivity tensors. Since the rotation angle is different at each point, the anisotropic conductivities also vary spatially. Thus, the cardiac tissue should be viewed as an inhomogeneous anisotropic structure. In most of the previous bidomain studies, the fiber rotation has not been considered, i.e., the tissue has been modeled as a homogeneous orthotropic medium. In this paper, we describe a new finite-difference bidomain formulation which accounts for the fiber rotation in the cardiac tissue and hence allows a more realistic modeling of the cardiac tissue. The formulation has been implemented on the data-parallel CM-5 which provides the computational power and the memory required for solving large bidomain problems. Details of the numerical formulation are presented together with its valid...Continue Reading

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Feb 1, 1997·IEEE Transactions on Bio-medical Engineering·H I SaleheenK T Ng
Sep 1, 1997·IEEE Transactions on Bio-medical Engineering·H I Saleheen, K T Ng

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Citations

Jul 27, 2000·Medical & Biological Engineering & Computing·Z Zhan, K T Ng
Dec 23, 2003·Medical & Biological Engineering & Computing·K T Ng, R Yan
Jun 29, 2005·Annals of Biomedical Engineering·Mark TrewAndrew Pullan
Mar 10, 1999·Progress in Biophysics and Molecular Biology·P KohlD Noble
Sep 14, 2007·Computer Methods in Biomechanics and Biomedical Engineering·Mary C MaclachlanRaymond J Spiteri
Apr 23, 2013·Computational and Mathematical Methods in Medicine·Xun LiShanan Zhu
Jun 11, 2011·Biomedizinische Technik. Biomedical Engineering·Matthias ReumannJohn J Rice
Sep 29, 2007·Progress in Biophysics and Molecular Biology·E J VigmondG Plank
May 24, 2007·IEEE Transactions on Bio-medical Engineering·Makarand DeoEdward Vigmond
Feb 14, 2008·IEEE Transactions on Bio-medical Engineering·Youssef Belhamadia
Aug 18, 2004·IEEE Transactions on Bio-medical Engineering·Marie-Claude TrudelL Joshua Leon
Aug 16, 2000·IEEE Transactions on Bio-medical Engineering·D PorrasA E Pollard
Nov 27, 2002·IEEE Transactions on Bio-medical Engineering·Edward J VigmondNatalia A Trayanova
Sep 13, 2005·Computer Methods in Biomechanics and Biomedical Engineering·Svein LingeJoakim Sundnes
Apr 25, 2020·Computational and Mathematical Methods in Medicine·Yohan Céspedes-VillarG Castellanos-Dominguez
Oct 21, 2018·Brain Topography·Ernesto Cuartas MoralesDante Mantini

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