title: The atrial vectorcardiogram in adults with atrial septal defect.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005069:Evaluation Studies as Topic; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000175:diagnosis; D014672:Vectorcardiography