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Ventricular fibrillation was simulated using three-dimensional heart model incorporating anatomic and electrophysiologic details. A parameter relating restitution of premature action potential durations to coupling interval of stimulation was defined and incorporated into the heart model to simulate the cell dynamics. Conduction delay during relative refractory period was also taken into account....
We have developed a 256-channel high resolution cardiac mapping system consisting of electrode sensor arrays, analog signal conditioners, data acquisition interfaces, a host computer and software. The system has been designed to achieve low noise level, wide amplification range, and continuous recording capability. The system has been designed and developed for high resolution cardiac mapping and...
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