To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Video 1 Colour Doppler across the patent foramen ovale. View Video 1 at http://movie-usa.glencoesoftware.com/video/10.1530/ERP-17-0027/video-1. A case of unprovoked, precarious, patent foramen ovale protuberance H Z R McConkey, M Ghosh-Dastidar, S R Redwood, and V Bapat 2017. 4:K17-K20 DOI: 10.1530/ERP-17-0027 Download Original Video