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Pre-excitation induced left ventricular dysfunction: A less known cause of cardiomyopathy in children.


ABSTRACT: A 7-year-old boy was diagnosed to have dilated cardiomyopathy with severe left ventricular (LV) dysfunction at 1 year of age. Although well compensated, his LV function remained impaired over the follow-up years. His electrocardiogram (ECG) was initially misinterpreted as left bundle branch block. However, on follow-up, it was recognized as a pre-excited ECG. The accessory pathway causing pre-excitation was implicated as the cause of LV dysfunction and dysynchrony as the mechanism. Radiofrequency ablation was done. His LV function and dimensions improved significantly over 6 months follow up.

SUBMITTER: Shankar PB 

PROVIDER: S-EPMC3634255 | biostudies-literature | 2013 Jan

REPOSITORIES: biostudies-literature

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Pre-excitation induced left ventricular dysfunction: A less known cause of cardiomyopathy in children.

Shankar Pr Bhima PB   Shanthi Chidambaram C   Cherian Kottarathu Mammen KM  

Annals of pediatric cardiology 20130101 1


A 7-year-old boy was diagnosed to have dilated cardiomyopathy with severe left ventricular (LV) dysfunction at 1 year of age. Although well compensated, his LV function remained impaired over the follow-up years. His electrocardiogram (ECG) was initially misinterpreted as left bundle branch block. However, on follow-up, it was recognized as a pre-excited ECG. The accessory pathway causing pre-excitation was implicated as the cause of LV dysfunction and dysynchrony as the mechanism. Radiofrequenc  ...[more]

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