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Experimental techniques for investigating cardiac electrical activity and response to electrical stimuli

机译:研究心脏电活动和对电刺激反应的实验技术

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摘要

One of the goals of experimental research in the areas of cardiac electrical activity and effects of stimulation has been to understand basic physiological responses of the heart to electrical stimulation. It is thought that electrical stimulation produces a distribution of current or an electric field in the heart that alters the transmembrane voltages of heart cells. This leads to changes in states of transmembrane voltage-dependent ionic currents, altered electrophysiological behavior of cells, and finally alteration of the electrophysiological behavior of the heart. The research has employed standard electrophysiological measurement techniques and new techniques that have been developed to study specific effects. This paper discusses some of the techniques.
机译:在心脏电活动和刺激作用方面的实验研究的目标之一是了解心脏对电刺激的基本生理反应。认为电刺激会在心脏中产生电流或电场的分布,从而改变心脏细胞的跨膜电压。这导致跨膜电压依赖性离子电流状态的改变,细胞电生理行为的改变,最终心脏电生理行为的改变。这项研究采用了标准的电生理测量技术和新技术,以研究特定的影响。本文讨论了一些技术。

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