To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Video 1 Transoesophageal echocardiography demonstrating mobile prosthetic mitral valve leaflets with dyssynchronous closure. View Video 1 at http://movie-usa.glencoesoftware.com/video/10.1530/ERP-20-0012/video-1. Stuck on a diagnosis: prosthetic mitral valve thrombosis vs dyssynchrony Patrick Savage, and Michael Connolly 2020. 7:I9-None DOI: 10.1530/ERP-20-0012 Download Original Video