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In this paper, an index for evaluating Distance of a healthy heart from Sino-Atrial Blocking Arrhythmia SABA is presented. After definition of the main pacemakers- model of heart, Sino-Atrial SA and Atrio-Ventricular nodes AV, the boundary of synchronization, which demonstrates the boundary of blocking arrhythmia, is obtained using perturbation method. In order to estimate of healthy heart characteristics, a parameter estimator is introduced. The distance from SABA is calculated using Lagrange method and Kohn-Tucker conditions. In addition, the maximum admissible decrease in the coupling intensity and the maximum admissible increase in the discrepancy between the natural frequencies of two pacemakers are determined in order to maintain the synchronization between the two pacemakers.

KEYWORDS

Healthy Heart; Blocking Arrhythmia; Perturbation method; Synchronization Boundary; Optimization; Bifurcation

Cite this paper

Gholizade-Narm, H. , Khademi, M. , Azemi, A. and Karimi-Ghartemani, M. 2010 An index for evaluating distance of a healthy heart from Sino-Atrial blocking arrhythmia. Journal of Biomedical Science and Engineering, 3, 308-316. doi: 10.4236-jbise.2010.33042.





Autor: Hossein Gholizade-Narm, Morteza Khademi, Asad Azemi, Masoud Karimi-Ghartemani

Fuente: http://www.scirp.org/



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