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Aortic coarctation is a birth defect in which the major artery from the heart (the aorta) is narrowed somewhere along its length, most commonly just past the point where the aorta and the subclavian artery meet.
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Coarctation of the aorta (COA) is a congenital heart defect that develops in the fetus. It involves a constricture of the aorta, the main artery that delivers blood from the left ventricle of the heart to the rest of the body.
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A defect that develops in the fetus in which there is a narrowing of the aortic arch, the main blood artery that delivers blood from the left ventricle of the heart to the rest of the body. Coarctation of the aorta is diagnosed in both newborns and adults.
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