The Normal QRS Loop Observed Three Dimensionally Obtained with the Frank Precordial System
- 1 October 1957
- journal article
- research article
- Published by Wolters Kluwer Health in Circulation
- Vol. 16 (4) , 582-585
- https://doi.org/10.1161/01.cir.16.4.582
Abstract
By means of a relatively orthogonal lead system combined with the use of an electronic resolver, 3-dimensional QRS loops of normal individuals have been seen broadside in 2 dimensions after proper rotation. QRS loops so visualized have been studied by certain quantitative measurements which it is hoped may be of assistance in distinguishing normal from abnormal loops.Keywords
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- A Study of the Relationship between Unipolar Leads and Spatial Vectorcardiograms, Using the Panoramic VectorcardiographCirculation, 1953