A study of the relationship between unipolar leads and spatial vectorcardiograms, using the panoramic vectorcardiograph

The extent to which precordial and other unipolar leads are influenced by the proximity of the exploring electrode to one part or another of the heart is the subject of considerable debate. Oneapproach to the problem is to determine how closely precordial leads can be predicted from spatialvectorcar...

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Bibliographic Details
Published in:Circulation (New York, N.Y.) N.Y.), 1953-04, Vol.7 (4), p.545-557
Main Authors: MILNOR, W R, TALBOT, S A, NEWMAN, E V
Format: Article
Language:English
Subjects:
Electrocardiography
Old Medline
Thoracic Surgical Procedures
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Summary:The extent to which precordial and other unipolar leads are influenced by the proximity of the exploring electrode to one part or another of the heart is the subject of considerable debate. Oneapproach to the problem is to determine how closely precordial leads can be predicted from spatialvectorcardiograms recorded by leads relatively remote from the heart. The panoramic vector-cardiograph described below provides a convenient way of doing this, since it automatically records scalar derivations from the vectorcardiogram for any spatial axis. Results indicate that local effects are not the predominant factor in determining the form of the complexes in precordial leads.
ISSN:0009-7322
1524-4539
DOI:10.1161/01.CIR.7.4.545