To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Video 4 PSSAX with color Doppler confirming a P2 inter-scallop separation as the underlying cause of the MR. View Video 4 at http://movie-usa.glencoesoftware.com/video/10.1530/ERP-18-0010/video-4. Inter-scallop separations of the posterior leaflet of the mitral valve: an important cause of ‘pathological’ mitral regurgitation in rheumatic heart disease screening L D Hunter, M Monaghan, G Lloyd, A J K Pecoraro, A F Doubell, and P G Herbst 2018. 5:K29-K34 DOI: 10.1530/ERP-18-0010 Download Original Video