Incremental utility of real-time three-dimensional echocardiography in the diagnosis and preoperative assessment of cleft mitral valve in adults.

Cleft mitral valve is a rare congenital anomaly that may present in isolation or accompany other cardiac malformations. Our illustrative case series highlights the advantages of three-dimensional over conventional two-dimensional echocardiography in the diagnosis and morphologic assessment cleft mitral valve in adults.