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Coarctation of the aorta, or aortic narrowing (abbreviated as CoA), is a congenital condition whereby the aorta narrows in the area where the ductus arteriosus (ligamentum arteriosum after regression) inserts.: Coarctation (narrowing) of the aorta. 1:Inferior vena cava, 2:Right pulmonary veins, 3: Right pulmonary artery, 4:Superior vena cava, 5:Left pulmonary artery, 6:Left pulmonary veins, 7:Right ventricle, 8:Left ventricle, 9:Pulmonary artery, 10:Aorta.
What are the signs and symptoms of coarctation of the aorta? In severe cases, coarctation of the aorta symptoms will appear within the first few days of life. The more the aorta is narrowed, the more severe the symptoms will be. In infants where the coarctation of the aorta is severe or moderate, symptoms can include: Labored or rapid breathing; Weak femoral artery pulse (taken in the groin area) Heavy sweating