title: [Accessory mitral valve tissue as a cause of subaortic obstruction. A case report].
abstract: It is a case of a 28-year-female with severe subaortic stenosis due to accesory mitral valve tissue of the type of an accesory medial valve belove the normal anterior one. The diagnosis was performed by echocardiography.
authors.affiliation: Instituto Nacional de Cardiología "Ignacio Chávez" (INCICH, Juan Badiano Núm. 1, Col. Sección XVI, Tlalpan 14800, México, DF. niesza2001@hotmail.com
authors.forename: Nilda
authors.initials: N
authors.lastname: Espínola Zavaleta
authors.forename: Luis
authors.initials: L
authors.lastname: Muñoz Castellanos
mesh_terms: D000328:Adult; D001020:Aortic Stenosis, Subvalvular / Q000000981:diagnostic imaging / Q000209:etiology*; D005260:Female; D006801:Humans; D008943:Mitral Valve / Q000002:abnormalities* / Q000000981:diagnostic imaging; D014463:Ultrasonography