Additional file 1: Movie 1. of Isolated double-orifice mitral valve: a case report Philipp Krisai Bastian Wein Beat Kaufmann 10.6084/m9.figshare.c.3615128_D2.v1 https://springernature.figshare.com/articles/media/Additional_file_1_Movie_1_of_Isolated_double-orifice_mitral_valve_a_case_report/4375628 Trans-thoracic 2-dimensional short axis view. (MP4 687 kb) 2015-12-18 05:00:00 Isolated double-orifice mitral valve Cardiac anomaly Mitral valve Valve anomaly