Alternating bundle branch block: What is the mechanism?

J ElectrocardiolJul 23, 2026 (epub)
Case ReportCardiologyInternal Medicine (General)

Pulakesh Sinha, Suvradip Dutta, Subhrasekhar Chakraborty et al.

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Condensed from the publisher's abstract. An xxcode editorial summary of this publication has not been generated yet.

From the abstract

A 60-year-old gentleman with severe left ventricular systolic dysfunction, multivessel coronary artery disease, and chronic kidney disease presented with New York Heart Association (NYHA) class III breathlessness without any history of syncope or presyncope. The electrocardiogram (ECG) showed sinus rhythm with alternating bundle branch block and a variable PR interval.

Source

PubMed · PMID 42541960

Published in J Electrocardiol. The text above is extracted from the publisher's own abstract and has not been edited by xxcode. For clinical decisions, review the original publication.

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