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Article
August 1920

AN ELECTROCARDIOGRAPHIC SIGN OF CORONARY ARTERY OBSTRUCTION

Arch Intern Med (Chic). 1920;26(2):244-257. doi:10.1001/archinte.1920.00100020113007
Abstract

The study of the form of the electrocardiogram continues to uphold the idea that when the muscular tissue of the heart is diseased, there will follow abnormal variations in the electrical currents due to the heart's contraction. It is hoped to show that obstruction of a branch of coronary artery is followed by a sign which is characteristic of this condition and is readily recognizable in the human electrocardiogram.

REPORT OF CASE  A patient was admitted to the second medical division of the New York Hospital, on the service of Dr. William R. Williams, to whom I am indebted for the privilege of publishing this case. Two hours before admission he had had an attack which was typical of the symptom complex due to an obstruction of one of the branches of a coronary artery.He was 38 years of age. He had never had rheumatic fever or more than

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