This is a narrowing of the aorta, the large blood vessel that takes blood from the heart to the body. There is a wide range of how badly the aorta is narrowed and there are often other heart problems present in addition to the coarctation. Despite being one of the more common potentially dangerous heart problems, Coarctation of the Aorta is one of the more difficult to detect before birth.
Coarctation of the Aorta (CoA)