Patent Ductus Arteriosus (PDA) | American Heart …
2019-6-28 · An unclosed hole in the aorta. Before a baby is born, the fetus's blood does not need to go to the lungs to get oxygenated. The ductus arteriosus is a hole that allows the blood to skip the circulation to the lungs. However, when the baby is born, the blood must receive oxygen in the lungs and this ...
