mitral valve prolapse
Mitral prolapse occurs when excess mitral valve leaflet tissue or myxomatous degeneration of valve components causes the mitral valve leaflets to balloon into the left atrium during systole.
Anxiety and panic disorders have been associated with mitral valve prolapse.
Myxomatous degeneration is an increase in spongiosa (composed of dermatan sulfate) and a decrease in fibrosa (which has more tensile strength) which results i