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Date/Time Thumbnail Dimensions User Comment; current: 17:50, 9 February 2010: 654 × 390 (1 KB): Wgabrie: I made the file size smaller: I removed the Inkscape extensions, combined same-size paths, and snapped the grid to whole number coordinates.
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Electrocardiography is the process of producing an electrocardiogram (ECG or EKG [a]), a recording of the heart's electrical activity through repeated cardiac cycles. [4] It is an electrogram of the heart which is a graph of voltage versus time of the electrical activity of the heart [ 5 ] using electrodes placed on the skin.
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English: A Wiggers diagram, showing the cardiac cycle events occuring in the left ventricle. In the atrial pressure plot: wave "a" corresponds to atrial contraction, wave "c" corresponds to an increase in pressure from the mitral valve bulging into the atrium after closure, and wave "v" corresponds to passive atrial filling.