Mitral Valve Prolapse by Florida Cardiology, P.A. | Jun 29, 2021 Mitral valve prolapse is a condition in which the two valve flaps of the mitral valve do not close smoothly or evenly.Mitral valve prolapse is also known as click-murmur syndrome, Barlow’s syndrome, or floppy valve syndrome.More info on Mitral Valve Prolapse: https://flcard.com/services-offered/mitral-valve-prolapse/ Back to Medical Terms Glossary