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Two types of distribution patterns of bigeminy and trigeminy are found in analysis of long-term ECG. To investigate the mechanism underlying this finding, a simplified equation of a modulated parasystole model was used and symbolic solutions for cyclic VPC patterns were obtained. The map of these solutions in a model parameter plane showed two different solutions for bigeminy, four kinds of trigeminy,...
We aim to integrate our interactive simulation systems of arrhythmia and heart rate variability (HRV) analyzer by a Windows message to understand the theoretical mechanisms of arrhythmia and HRV. The arrhythmia simulator (250 kB, Visual Basic 6.0) was composed of 4 normal and 2 ectopic foci. The electrical activity of each cell was modeled by the conduction speed and the phase response curve. The...
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