Atrial dysrhythmia and atrial secundum defects.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001145:Arrhythmias, Cardiac / Q000209:etiology*; D001794:Blood Pressure; D002302:Cardiac Output; D002648:Child; D002675:Child, Preschool; D005260:Female; D006325:Heart Atria; D006344:Heart Septal Defects, Atrial / Q000150:complications* / Q000601:surgery*; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D011379:Prognosis; D011651:Pulmonary Artery