To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Video 4 Ventricular systole with colour Doppler interrogation of the mitral valve. There is WHF pathological mitral regurgitation during ventricular systole. The regurgitant jet measured >2 cm and met all additional Doppler criteria. View Video 4 at http://movie-usa.glencoesoftware.com/video/10.1530/ERP-17-0037/video-4. Screening for rheumatic heart disease: is a paradigm shift required? L D Hunter, M Monaghan, G Lloyd, A J K Pecoraro, A F Doubell, and P G Herbst 2017. 4:R43-R52 DOI: 10.1530/ERP-17-0037 Download Original Video