A patent ductus arteriosus (PDA) is a persistent connection between the aorta and the pulmonary artery resulting in left to right shunting. This connection is supposed to close shortly after birth ...

If the aortic arch is interrupted, the PDA, via the ductal arch, will supply the descending aorta. Special care should be taken to not confuse the ductal arch with the transverse arch, the ductal ...

The ductus arteriosus is a vital blood vessel in a fetus that connects the pulmonary artery to the aorta, allowing blood to bypass the lungs before birth. After birth, this vessel typically ...

Evaluation of PDA flow is critical; normal flow in the PDA should be predominantly from the aorta to the pulmonary artery. In the presence of a ductal-dependent lesion such as critical coarctation ...