Title :
Wave vector analysis of cardiac activation patterns
Author :
Rousakov, Sergei V. ; Wikswo, John P. ; Aliev, Rubin R.
Author_Institution :
Dept. of Phys. & Astron., Vanderbilt Univ., Nashville, TN, USA
Abstract :
We use a 2-D FitzHugh-Nagumo (FHN) bidomain model to simulate activation patterns in cardiac tissue. We analyze the dynamics using vector calculus quantities such as curl and divergence of spatial gradients of the local phase φ
Keywords :
bioelectric potentials; biological tissues; biomembrane transport; cardiology; physiological models; vectors; 2D FitzHugh-Nagumo bidomain model; activation pattern simulation; cardiac activation patterns; cardiac tissue; colliding fronts; curl; divergence; fibrillation electrical activity; local phase distribution; membrane dynamics; spatial gradients; spiral wave reentry; transmembrane potential; vector calculus quantities; wave vector analysis; Astronomy; Biomembranes; Calculus; Cardiac tissue; Heart; Numerical simulation; Pattern analysis; Phase measurement; Physics; Spirals;
Conference_Titel :
[Engineering in Medicine and Biology, 1999. 21st Annual Conference and the 1999 Annual Fall Meetring of the Biomedical Engineering Society] BMES/EMBS Conference, 1999. Proceedings of the First Joint
Conference_Location :
Atlanta, GA
Print_ISBN :
0-7803-5674-8
DOI :
10.1109/IEMBS.1999.802206
