title: [Ventricular septal motion and left ventricular performance in patients with artificial pacemakers].
mesh_terms: D000368:Aged; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology*; D006327:Heart Block / Q000503:physiopathology; D006346:Heart Septum / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008875:Middle Aged; D010138:Pacemaker, Artificial