2012•Open Journal of Internal MedicineOpen access

Two cases of juvenile hypertrophic cardiomyopathy presenting with marked bi-atrial enlargement on standard 12-lead electrocardiogram

Hajime Kataoka

Abstract

This report describes two cases of juvenile hypertrophic cardiomyopathy (HCM) in which prominent bi-atrial enlargement was observed on standard 12-lead electrocardiogram, suggesting inherent predis-position to extreme enlargement and/or hypertrophy may exist in atrial myocardium in juvenile HCM. Comparative study between juvenile and adult HCM patients using a large sample size is required to confirm this hypothesis.

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Key concepts: Hypertrophic cardiomyopathy, Juvenile, Left atrial enlargement, Cardiology, Internal medicine, Medicine, Cardiomyopathy, Muscle hypertrophy