title: Relationship between the spatial R peak time determined by high paper speed orthogonal electrocardiogram and the size of the left ventricular cavity.
mesh_terms: D000293:Adolescent; D000328:Adult; D000790:Angiocardiography; D001018:Aortic Diseases / Q000150:complications; D001022:Aortic Valve Insufficiency / Q000150:complications; D002306:Cardiac Volume; D006332:Cardiomegaly / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000209:etiology; D004374:Ductus Arteriosus, Patent / Q000150:complications; D004562:Electrocardiography; D005260:Female; D006345:Heart Septal Defects, Ventricular / Q000150:complications; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000150:complications