Left atrial mitral valve chordae: An important congenital abnormality mimicking endocarditis on transthoracic echocardiography-Case report.

A 59-year-old male was incidentally diagnosed with a left atrial mitral valve chordae involving the junction of the A1 and A2 mitral valve leaflets and resulting in moderate mitral regurgitation. The recognition of this extremely rare congenital malformation prevented over diagnosis and overtreatment.