First AD

Second AD

Name this structure shown by arrows in this color Doppler image of the fetal thorax. Choose one of the following:

Fetal ductal arch and the right ventricular outflow tract

The structures seen are the RVOT the ductus arteriosus joining the descending aorta. Together, these structures form the ductal arch, which has a characteristic hockey-stick shape.

Pregnancy and Birth

News

Challenge your diagnostic skills: Can you identify this structure in the fetal thorax?

Image IQ: Anatomy of the Fetal Heart