title: Vectorcardiographic and electrocardiographic findings of hearts with electrical pacemakers.
mesh_terms: D000328:Adult; D000368:Aged; D001161:Arteriosclerosis / Q000150:complications; D002037:Bundle-Branch Block; D006332:Cardiomegaly; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006345:Heart Septal Defects, Ventricular / Q000150:complications; D006352:Heart Ventricles; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial; D012214:Rheumatic Heart Disease / Q000150:complications; D014672:Vectorcardiography