The Spatial Vectorcardiogram Obtained by Use of a Trihedron and Its Scalar Comparisons

Author:

DUCHOSAL PIERRE W.1,GROSGURIN JEAN R.1

Affiliation:

1. From the Department of Cardiology, first medical service, Hôpital Cantonal, Geneva, Switzerland.

Abstract

The spatial vectorcardiogram is supposed to represent the path of the cardiac vector viewed from a rather large distance. With this in mind, the authors propose a vectorcardiographic method based on a trirectangular trihedron. Comparisons are made between calculated scalar leads derived from the spatial vectorcardiogram, and real scalar leads recorded from the subject. In case of concordance the hypothesis of a single instantaneous cardiac vector within an homogeneous conducting medium is verified. This was found to hold for most circumstances. However, for those instances in which discrepancies arose another hypothesis is advanced.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Physiology (medical),Cardiology and Cardiovascular Medicine

Reference15 articles.

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3. Prevision de l'electrocardiogramme unipolaire en un point intdrieur diu corps humain au moyen du vectocardiogramme spatial enregistre a la periph 6riie, 'a distance du coeur;GROSGURIN L.;Acta Cardiol.,1949

4. M\ACLEOD A. G. AND BARKER P. S.: The distribution of the currents of action and of injuriy displayed by the heart muscle and other excitable tissues. Ann Arbor University of Michigan Press 1933.

5. The Electric Field of an Eccentric Dipole in a Homogeneous Spherical Conducting Medium

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