Mechanical bidomain model of cardiac tissue
نویسندگان
چکیده
منابع مشابه
A Bidomain Model for Neural Tissue
Bidomain models have most commonly used to simulate cardiac tissue. They have only infrequently been used to model neural tissue as they are often computationally intensive and other modeling techniques such as the core conductor model are more appropriate for studying phenomena such as propagation in neural systems. A bidomain model of an aplysia abdominal ganglion was created using COMSOL Mul...
متن کاملAnalysis of a class of degenerate reaction-diffusion systems and the bidomain model of cardiac tissue
We prove well-posedness (existence and uniqueness) results for a class of degenerate reaction-diffusion systems. A prototype system belonging to this class is provided by the bidomain model, which is frequently used to study and simulate electrophysiological waves in cardiac tissue. The existence result, which constitutes the main thrust of this paper, is proved by means of a nondegenerate appr...
متن کاملNumerical Simulations of Cardiac Tissue Excitation and Pacing Using the Bidomain Model
The last two decades have produced significant advances in our theoretical understanding of cardiac pacing. The bidomain model, a mathematical representation of the anisotropic electrical properties of cardiac tissue, has provided insight into many long-standing mysteries of pacing, such as the mechanisms of make and break excitation, the shape of the strength-interval curve, and the induction ...
متن کاملInexact BDDC methods for the cardiac Bidomain model
The cardiac Bidomain model consists in a reaction-diffusion system of PDEs for the intraand extra-cellular cardiac potentials coupled with a nonlinear system of ODEs accounting for the cellular model of ionic currents. Fully implicit methods in time have been considered in a few studies, see e.g. [16] and references therein. As in most of previous work (see [18] for a review), in this study we ...
متن کاملThe effect of simplifying assumptions in the bidomain model of cardiac tissue: application to ST segment shifts during partial ischaemia.
In this study various electrical conductivity approximations used in bidomain models of cardiac tissue are considered. Comparisons are based on epicardial surface potential distributions arising from regions of subendocardial ischaemia situated within the cardiac tissue. Approximations studied are a single conductivity bidomain model, an isotropic bidomain model and equal and reciprocal anisotr...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review E
سال: 2010
ISSN: 1539-3755,1550-2376
DOI: 10.1103/physreve.82.041904