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(Circulation. 1955;12:418.)
© 1955 American Heart Association, Inc.

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A Study of the Spatial Vectorcardiogram in Subjects with Posterior Myocardial Infarction

G. E. BURCH M.D.¹; LEO HORAN M.D.¹; J. A. ABILDSKOV M.D.¹; J. A. CRONVICH M.S.¹

¹ From the Department of Medicine, Tulane University School of Medicine and Charity Hospital of Louisiana at New Orleans, and the Department of Electrical Engineering, Tulane University of Louisiana, New Orleans, La.

A study of 45 spatial vectorcardiograms of patients with posterior myocardial infarction revealed a characteristic upward displacement of the early portion of the QRS sÊ-loop. Changes in the later portion of the QRS sÊ-loop may occur as a result of infarction. The possible utilization of such findings in the diagnosis of infarction is discussed.