Excessive Trabeculation of the Left Ventricle Revealed by de Novo Heart Failure in Adults: A Clinical Case with a Literature Review

Introduction: Rare cardiomyopathy left ventricle non-compaction (LVNC) or excess trabeculation is an unclassified heart disease related to the cessation of the normal process of myocardial development during the first trimester of pregnancy. Familial forms account for approximately half of the cases, and men are the most affected. The usual clinical presentation corresponds to the classic triad, which includes heart failure, arrhythmias, and thromboembolic manifestations. Case Presentation: Here, we describe the case of a 56-year-old man with no pathological history who consulted for dyspnea, and in whom transthoracic echocardiography and magnetic resonance imaging have made it possible to retain the diagnosis of an excess of trabeculations complicated by heart failure and an apical thrombus. Conclusion: LVNC is a rare cardiomyopathy that frequently affects men and is diagnosed using echocardiography and in borderline cases, supplemented by cardiac MRI.