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Case Reports
December 1942


Author Affiliations

From the Department of Internal Medicine and the Department of Pediatrics and Communicable Diseases, University of Michigan Medical School.

Am J Dis Child. 1942;64(6):1030-1045. doi:10.1001/archpedi.1942.02010120070007

Paroxysmal ventricular tachycardia is an ectopic cardiac rhythm consisting of a rapid succession of ventricular extrasystoles. Although graphic records in paroxysmal rapid heart action had been made some time earlier1 and Mackenzie2 had pointed out that the underlying mechanism in such disturbances is not always the same, Lewis3 first differentiated supraventricular tachycardia from tachycardia of ventricular origin by means of electrocardiograms. He was able to produce ventricular tachycardia in experimental animals by coronary ligation.4 This arrhythmia has subsequently been induced experimentally by a variety of procedures.5

Numerous cases of ventricular tachycardia have been reported in the literature, but many do not meet the criteria which seem necessary for this diagnosis. In 1930, Strauss6 found 65 acceptable cases, while in 1934 Lundy and McLellan7 considered that only 96 out of a total of 152 cases fulfilled the diagnostic requirements. Robinson and Herrmann8 pointed

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