To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Video 4 Normal 3VT. MPA continuing directly back to the spine as the arterial duct. Aorta and SVC in cross section and of equal dimensions. View Video 4 at http://movie-usa.glencoesoftware.com/video/10.1530/ERP-18-0027/video-4. EDUCATIONAL SERIES IN CONGENITAL HEART DISEASE: Prenatal diagnosis of congenital heart disease Lindsey E Hunter, and Anna N Seale 2018. 5:R81-R100 DOI: 10.1530/ERP-18-0027 Download Original Video