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Article
June 1923

SOME UNUSUAL DISTURBANCES OF THE MECHANISM OF THE HEART BEAT

Author Affiliations

ANN ARBOR, MICH.

From the Department of Internal Medicine, Washington University Medical School, and the Department of Internal Medicine, University of Michigan Medical School.

Arch Intern Med (Chic). 1923;31(6):923-934. doi:10.1001/archinte.1923.00110180144013
Abstract

AN ECTOPIC TACHYCARDIA OF FIFTEEN MONTHS' DURATION  Attacks of simple paroxysmal tachycardia usually last but a few hours or at most a few days. Lewis1 states that attacks which last a fortnight are rare and that longer attacks are unknown. D. C. Wilson2 has recently reported an instance in which an attack of ten days' duration was followed by the development of gangrene of the forearm. This is the longest attack described in the recent literature. We were surprised, therefore, to encounter a patient with a tachycardia of this type that had persisted for approximately fifteen months.

Case 1.—History.  —Mr. E. K., and American student, aged 22, first seen by us in July, 1920. He complained of palpitation associated with rapid heart action. There was a history of whooping cough and measles in childhood, but none of rheumatic fever, chorea, scarlet fever or diphtheria. The patient had a severe atttack

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