aortic septal defect

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Related to aortic septal defect: ventricular septal defect, Atrial septum


pertaining to the aorta.
aortic arch syndrome any of a group of disorders adding to occlusion of the arteries arising from the aortic arch; such occlusion may be caused by atherosclerosis, arterial embolism, or other conditions. See also pulseless disease.
aortic septal defect a congenital anomaly in which there is abnormal communication between the ascending aorta and the pulmonary artery just above the semilunar valves.


an imperfection, failure, or absence.
congenital heart defect see congenital heart defect.
aortic septal defect see aortic septal defect.
atrial septal defect see atrial septal defect.
filling defect an interruption in the contour of the inner surface of stomach or intestine revealed by radiography, indicating excess tissue or substance on or in the wall of the organ.
neural tube defect see neural tube defect.
septal defect a defect in the cardiac septum resulting in an abnormal communication between opposite chambers of the heart. Common types are aortic septal defect, atrial septal defect, and ventricular septal defect. See also congenital heart defect.

a·or·tic sep·tal de·fect

, aorticopulmonary septal defect
a small congenital opening between the aorta and pulmonary artery about 1 cm above the semilunar valves, for example, aorticopulmonary window.

a·or·tic sep·tal defect

, aorticopulmonary septal defect (ā-ōrtik septăl dēfekt, ā-ōrti-kō-pulmŏ-nār-ē)
Small congenital opening between the aorta and pulmonary artery 1 cm above the semilunar valves.