We describe a 52-year-old woman incidentally diagnosed as having parachute mitral valve (PMV). Echocardiography displayed a parachute-like deformity of the mitral valve characterized by a unifocal attachment of mitral valve chordae. PMV is a congenital cardiac malformation that causes stenosis of the mitral valve and is often found in combination with left-heart obstruction in the pediatric population. The incidence of PMV in adults is extremely low. This patient had no related cardiac complications, which accounts for the long asymptomatic period. Thus, rare forms of congenital heart disease in late adulthood need attention in echocardiographic study.
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