Atrial septal defect associated with pulmonary hypertension in children living at high altitude.
D000293:Adolescent; D000531:Altitude; D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D003120:Colorado; D005260:Female; D006344:Heart Septal Defects, Atrial / Q000150:complications* / Q000601:surgery; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology*; D007223:Infant; D007231:Infant, Newborn; D008297:Male