Wednesday, July 11, 2012

Sonography of the fetal ductal arch

   A sagittal section of the fetal ductal arch (see the ultrasound video above) shows the typical hockey stick shape of the ductal arch as it emerges from the fetal right ventricle. Observe closely, that in sagittal section the fetal right ventricle is the chamber that is adjacent to and just behind the anterior chest wall (the sternum) of the fetus.
  The fetal aortic arch, on the contrary is an umbrella shaped structure and is seen to arise more posteriorly (see ultrasound image below).

No comments:

Post a Comment