The Zero of Potential of the Electrical Field Produced by the Heart Beat
Author(s) -
Robert H. Bayley,
CONRAD L. KINARD
Publication year - 1954
Publication title -
circulation research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 4.899
H-Index - 336
eISSN - 1524-4571
pISSN - 0009-7330
DOI - 10.1161/01.res.2.2.104
Subject(s) - beat (acoustics) , electrode , dipole , zero (linguistics) , homogeneous , vector potential , physics , mathematics , mathematical analysis , nuclear magnetic resonance , acoustics , statistical physics , quantum mechanics , magnetic field , philosophy , linguistics
The zero of potential of the electrical field produced by the heart beat is defined and measured as the average value over the surface of a large spherical, integrating electrode which contains the subject and a homogeneous conducting medium. The Zero of potential thus defined is apparently free of assumptions of any kind and is used to evaluate the error on the three-branch and the four-branch central terminal with equal resistances. The latter may, in certain instances, be brought to zero by using unequal resistances. The potential function at its electrodes is that of an unweighted resultant vector or a point dipole. The electrodes which contribute to its potential are remote.
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