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Author: Vityazev V. Shmakov D. Antonova N. Arteeva N. Azarov Ya. Kharin S. Nuzhnyi V.
Publisher: MAIK Nauka/Interperiodica
ISSN: 0022-0930
Source: Journal of Evolutionary Biochemistry and Physiology, Vol.43, Iss.4, 2007-08, pp. : 433-437
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Abstract
Based on a multichannel synchronous mapping of heart electric potentials, the sequence in time of the ventricle myocardium depolarization was compared with dynamics of distribution of cardioelectric potentials on the dog body surface. The cardioelectric field on the dog body surface at the period of the initial ventricular activity has been shown to be characterized by the presence of two inversions of the mutual disposition of areas of positive and negative potentials. Contribution to formation of distribution of the cardioelectric potentials on the body surface at each moment of the period of initial ventricular activity was made by all myocardial layers involved in excitation.
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