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The apparatus to be mapped detection of the body surfaces potentials
The apparatus to be mapped detection of the body surfaces potentials
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机译：待测物体表面电位的映射设备
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摘要
An apparatus for body surface mapping comprises a plurality of electrodes for attachment to spatially separate locations on a human torso and each capable of detecting the electrical activity associated with a heartbeat and producing a corresponding voltage. The electrodes are sampled at a rate of e.g. 1 KHz during a cardiac cycle and the sets of sample values so produced are stored. Positional variations of the maximum and minimum sampled values over time are displayed as a projection of the trajectories of the maximum and minimum sampled values in three-dimensional (x, y, t) space onto planes perpendicular to a plane containing the electrodes.
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