title: Atrial pressure gradients in isolated secundum atrial septal defect and partial anomalous pulmonary venous return.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006325:Heart Atria / Q000503:physiopathology*; D006339:Heart Rate; D006344:Heart Septal Defects, Atrial / Q000097:blood*; D006439:Hemodynamics; D006801:Humans; D007223:Infant; D011312:Pressure; D011667:Pulmonary Veins / Q000002:abnormalities*; D013997:Time Factors