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In this study the complex bahavior of intra-cardiac impedance signal is investigated with computer-simulation. Dynamic impedance signals are simulated over one cardiac cycle using computer-model of the dynamic heart in combination with specific impedance characteristics of tissues. 4-electrode intra-ventricular catheter impedance signals are calculated with Finite Difference Method at 7 frequencies...
In this study computer models are used for simulating electrical impedance signals from intracardiac catheter inserted to the bottom of the left ventricle of the heart. 3D dynamic heart is composed of dynamic spline surfaces. Impedance signals from the catheter electrodes are calculated with finite difference method using complex tissue impedance values at frequencies 1 kHz and 1 MHz. The results...
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