Double orifice mitral valve (DOMV) is a rare congenital malformation described as division of mitral orifice into two anatomically distinct orifices separated by an accessory bridge of fibrous tissue. In 85% of cases, both orifices are unequal in size. It is usually associated with other congenital defects such as atrioventricular septal defect and complex congenital heart disease. Most of cases could be diagnosed by two-dimensional echocardiography (2DE). The real-time three-dimensional echocardiography (RT3DE) helped in more detailed structure and function. Presented here RT3DE used for orientation of DOMV that allowed detailed and comprehensive assessment incremental to that obtained by 2DE.

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Keywords Congenital heart disease, Double orifice mitral valve, Real-time three-dimensional echocardiography
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Anwar, A.M., McGhie, J., Meijboom, F.J., & ten Cate, F.J.. (2008). Double orifice mitral valve by real-time three-dimensional echocardiography. European Journal of Echocardiography, 9(5), 731–732. doi:10.1093/ejechocard/jen149