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Atrial Septal Defect (ASD)

An Atrial Septal Defect (ASD) is a hole in the wall between the two upper chambers of your heart (atria). The condition is present at birth (congenital).Small defects may never cause a problem and may be found incidentally. It’s also possible that small atrial septal defects may close on their own during infancy or early childhood.Large and long-standing Atrial Septal Defects can damage your heart and lungs. An adult who has had an undetected Atrial Septal Defect for decades may have a shortened life span from heart failure or high blood pressure that affects the arteries in the lungs (pulmonary hypertension). Surgery may be necessary to repair Atrial Septal Defects to prevent complications.

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