To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Video 1 Mid-esophageal 2-chamber TEE image reveals a massive left atrial mural thrombus and markedly thickened bioprosthetic mitral leaflets. View Video 1 at http://movie-usa.glencoesoftware.com/video/10.1530/ERP-17-0004/video-1. Late thrombosis of a mitral bioprosthetic valve with associated massive left atrial thrombus Preetham R Muskula, Rigoberto Ramirez, A Michael Borkon, and Michael L Main 2017. 4:I1-I3 DOI: 10.1530/ERP-17-0004 Download Original Video