A case of 'Masquerading' bundle branch block: a forgotten concept

Dinesh Choudhary; Narayanan Namboodiri; Jaganmohan A Tharakan

doi:10.1016/j.ihj.2013.12.025

A case of 'Masquerading' bundle branch block: a forgotten concept

Indian Heart J. 2014 Jan-Feb;66(1):139-40. doi: 10.1016/j.ihj.2013.12.025. Epub 2013 Dec 30.

Authors

Dinesh Choudhary¹, Narayanan Namboodiri², Jaganmohan A Tharakan³

Affiliations

¹ Fellow in Cardiac Electrophysiology, Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology (SCTIMST), Thiruvananthapuram 695 011, India. Electronic address: drdineshchoudhary8@gmail.com.
² Associate Professor, Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology (SCTIMST), Thiruvananthapuram, India.
³ Professor & Head, Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology (SCTIMST), Thiruvananthapuram, India.

Abstract

'Masquerading' bundle branch block (right bundle branch block in the precordial leads with left bundle branch block in frontal leads and left axis deviation) is seen most commonly with coronary artery disease and hypertension. No definite explanation is available so far for these changes. We are presenting a case of rare congenital intranuclear inclusion myopathy with congestive heart failure and 'Masquerading' bundle branch block in ECG.

Keywords: Left axis deviation; Left bundle branch block; Myopathy; Right bundle branch block; ‘Masquerading’ bundle branch block.

Publication types

Case Reports

MeSH terms

Bundle-Branch Block / diagnosis*
Cardiomyopathies / congenital
Cardiomyopathies / diagnosis*
Diagnosis, Differential
Echocardiography / methods
Electrocardiography*
Heart Failure / diagnosis*
Humans
Magnetic Resonance Imaging, Cine / methods
Male
Young Adult