Ultrasound - 31WG
Transverse
Transverse
Focus on outflow tracts at 31WG :
1: Axial dynamic scanning shows 2 outflows tracts: one smaller, non-dividing, arising from the small right-type ventricle: the aorta. The other larger with early division, in middle position, arising from the main left-type ventricle : the pulmonary trunk.
2: Focus on the pulmonary trunk, both arteries and ductus have a large diameter.