To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Video 2 Mid-oesophageal aortic long axis view revealing marked thickening of the bioprosthetic valve cusps (green arrows). View Video 2 at http://movie-usa.glencoesoftware.com/video/10.1530/ERP-18-0032/video-2. Sub-acute leaflet thrombosis: a reversible cause of aortic stenosis Athina Chasapi, Adam Hobbs, Theodore Velissaris, and Benoy N Shah 2018. 5:I5-I7 DOI: 10.1530/ERP-18-0032 Download Original Video