Body surface map patterns of altered depolarization and repolarization in right bundle branch block.

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Body surface map patterns of altered depolarization and repolarization in right bundle branch block.

Surface maps from 14 patients with right bundle branch block were analyzed throughout depolarization and repolarization. The abnormalities in depolarization found in all the subjects were 1) epicardial breakthrough that was delayed and shifted to the left, and 2) development of right upper anterior positivity during the midportion of depolarization. In eight patients, this positivity manifested...

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Comparison of total body surface map depolarization patterns of left bundle branch block and normal axis with left bundle branch block and left-axis deviation.

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Incomplete Right Bundle-Branch Block

Incomplete right bundle-branch block (IRBBB) usually is thought to be associated with abnormalities of the peripheral Purkinje system. This paper discusses the results of a study of six dogs from the same family and three nonrelated dogs with congenital IRBBB. Cardiac catheterization data were normal, and no evidence or history of cardiac disease was found before or after death. The depolarizat...

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Body Surface Potential Distribution Following the Production of Right Bundle Branch Block in Dogs

Right bundle branch block (RBBB) was produced in five dogs by incising the main right bundle branch. Body surface isopotential maps of each of these dogs were obtained from 85 thoracic electrocardiograms using a mini-computer technique. In addition, the epicardial activation process was obtained from the same dog, and were correlated with the map pattern. Following the incision, the following c...

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ژورنال

عنوان ژورنال: Circulation

سال: 1980

ISSN: 0009-7322,1524-4539

DOI: 10.1161/01.cir.61.3.634