title: [Pattern differences between orthogonal lead system and cube system and their clinical application].
mesh_terms: D000293:Adolescent; D000328:Adult; D001022:Aortic Valve Insufficiency / Q000175:diagnosis; D002675:Child, Preschool; D004374:Ductus Arteriosus, Patent / Q000175:diagnosis; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D010493:Pericarditis / Q000175:diagnosis; D014672:Vectorcardiography