title: Natural history of atrial septal defect.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000209:etiology; D001922:Brain Abscess / Q000209:etiology; D006328:Cardiac Catheterization; D003490:Cyanosis / Q000209:etiology; D004617:Embolism / Q000209:etiology; D004698:Endocarditis, Subacute Bacterial / Q000209:etiology; D005260:Female; D006333:Heart Failure / Q000209:etiology; D006344:Heart Septal Defects, Atrial / Q000150:complications / Q000175:diagnosis / Q000401:mortality* / Q000601:surgery; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology; D008297:Male; D008800:Mexico; D009206:Myocardium / Q000473:pathology; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular