Mitral Regurgitation - Carpentier Classification Type I - Normal Leaflet Motion - Annular Dilation - Perforation Type II - Excessive Leaflet Motion - Prolapse - Flail Type III - Restricted Leaflet Motion - Thickening/Fusion - LV/LA Dilation doi: 10.3389/fcvm.2020.00084 #Mitral #Regurgitation #Carpentier #Classification #diagnosis #cardiology #types