Tricuspid mitral valve is a rare entity, distinct from isolated clefts of the mitral leaflets. Echocardiographically, it manifests as the presence of three commissures, separate papillary muscles and concordant atrioventricular or ventriculoarterial connections. Three-dimensional transesophageal echocardiography helps distinguish the three cusps from clefts. Herein, we present a case of tricuspid mitral valve that led to severe mitral regurgitation.
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