View Koarktasio Aorta Images. Coarctation of the aorta is a congenital condition whereby the aorta narrows in the area where the ductus arteriosus inserts. Coarctation of the aorta (coa) refers to a narrowing of the aortic lumen.
Coarctation of the aorta is a narrowing of the aorta most commonly in the region distal to the head and neck vessels in a region called the aortic isthmus.
Coarctation of the aorta, congenital malformation involving the constriction, or narrowing, of a short section of that portion of the aorta that arches over the heart. Narrowing of the aorta causing hypertension in the upper extremities relative to the lower extremities. Coarctation of the aorta is generally present at birth (congenital). Cardiovascular diseases, fetal diseases, rare diseases.