Myxomatous Mitral Valve Disease (MMVD): A degenerative condition of the mitral valve characterized by thickening and deformation of the valve leaflets, often leading to heart failure. Transforming ...

The normal mitral valve permits unrestricted antegrade diastolic flow from the left atrium to the left ventricle (LV) and effectively seals off the atrium from the ventricle during LV systole ...

causing the mitral valve annulus to also dilate and prevent the mitral valve leaflets from properly coapting. There are many causes of left atrial and left ventricular dilation, and the treatment ...