realized in has material basis at all times has occurrent part mitral valve leaflet displacement into the left atrium during left ventricular systole degenerated structure in a mitral valve leaflet mitral valve prolapse SNOMEDCT_2010_1_31:8074002 SNOMEDCT_2010_1_31:155386005 DOID:988 SNOMEDCT_2010_1_31:45023003 BARLOWS SYNDROME disease_ontology SNOMEDCT_2010_1_31:194980008 SNOMEDCT_2010_1_31:194977007 OMIM:157700 A disease characterized by the displacement of a degenerated mitral valve leaflet into the left atrium during systole. SNOMEDCT_2010_1_31:409712001 Floppy mitral valve SNOMEDCT_2010_1_31:42069006 MSH:D008945 OMIM mapping confirmed by DO. [SN]. UMLS_CUI:C0026267 NCI:C50655 disease disease course