Atrioventricular conduction and right atrial volume in children with and without secundum atrial septal defects.
D000293:Adolescent; D000790:Angiocardiography; D006328:Cardiac Catheterization; D002306:Cardiac Volume; D002648:Child; D002675:Child, Preschool; D003971:Diastole; D006325:Heart Atria / Q000503:physiopathology*; D006329:Heart Conduction System / Q000503:physiopathology*; D006344:Heart Septal Defects, Atrial / Q000503:physiopathology*; D006801:Humans