Video 17.8 Prenatal evaluation of the ductus arteriosus in a fetus with pulmonary atresia with intact ventricular septum
Prenatal evaluation of the ductus arteriosus in a fetus with pulmonary atresia with intact ventricular septum. The duct is well seen in the arch view. Typically ductal flow is towards the aorta in the normal fetus. In this fetus, flow is towards the pulmonary artery as expected in the setting of pulmonary atresia.