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Pediatric Cardiology
Published in: Pediatric Cardiology 7/2009

01-10-2009 | Case Report

Isolated Left Bundle Branch Block Mimicking Outflow Ventricular Septal Defect in a Fetus

Authors: J. Sharma, S. Inglis, M. Predanic, I. Udom-Rice

Published in: Pediatric Cardiology | Issue 7/2009

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Abstract

Bundle branch block (BBB) is impossible to diagnose in a fetus with conventional fetal echocardiography. Isolated left BBB is rare in the neonatal period. Asymmetric left ventricular remodeling in isolated left BBB is secondary to chronic dyschronous activation and relaxation, resulting in thinning of the interventricular septum (IVS). This report describes a case of possible ventricular septal defect diagnosed at 34 weeks of gestation due to significant dropout in the outflow portion of the IVS seen in multiple views secondary to undiagnosed isolated left BBB in a fetus, with postnatal follow-up evaluation.
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Metadata
Title
Isolated Left Bundle Branch Block Mimicking Outflow Ventricular Septal Defect in a Fetus
Authors
J. Sharma
S. Inglis
M. Predanic
I. Udom-Rice
Publication date
01-10-2009
Publisher
Springer-Verlag
Published in
Pediatric Cardiology / Issue 7/2009
Print ISSN: 0172-0643
Electronic ISSN: 1432-1971
DOI
https://doi.org/10.1007/s00246-009-9484-4

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