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Article
February 4, 1974

His Bundle Ectopic BeatsHis Bundle Electrocardiographic Study

Author Affiliations

From the Department of Cardiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India. Dr. Abedin is now at the Department of Medicine, Medical College of Ohio at Toledo.

JAMA. 1974;227(5):549-551. doi:10.1001/jama.1974.03230180047012
Abstract

Atrial pacing, and His bundle electrograms were recorded in a 62-year-old man with sinus bradycardia and a complex junctional arrhythmia. The arrhythmia was shown to be due to His bundle extrasystoles. The recognition of main-stem extrasystoles, based on analysis of surface electrocardiogram may not be possible, and His bundle electrocardiographic studies are necessary for the precise diagnosis of His bundle extrasystoles.

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