JACC: Case Reports
A 6-month-old infant boy presented with symptomatic heart failure. Dilated cardiomyopathy was found in association with a mutation in TTN. Structural heart disease included novel septation of the left ventricle with a fenestrated membrane resulting from aberrant congenital mitral valve apparatus formation. (Level of Difficulty: Advanced.).
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Khandalavala, Karl R.; Ballweg, Jean A.; Radio, Stanley J.; and Robinson, Jeffrey A., "Intraventricular Septation in the Context of Dilated Cardiomyopathy Associated With TTN Mutation" (2021). Journal Articles: Pediatrics. 35.