Spontaneous functional closure of isolated atrial septal defect.
D006328:Cardiac Catheterization; D006332:Cardiomegaly; D004562:Electrocardiography; D005260:Female; D006344:Heart Septal Defects, Atrial / Q000628:therapy; D006346:Heart Septum / Q000254:growth & development / Q000502:physiology; D006801:Humans; D006984:Hypertrophy; D007223:Infant; D011379:Prognosis; D012075:Remission, Spontaneous