title: Vectorcardiographic study of the ventricular spread of excitation in patients with artificial pacemaker.
mesh_terms: D004562:Electrocardiography; D004566:Electrodes; D004594:Electrophysiology; D006352:Heart Ventricles / Q000503:physiopathology*; D006801:Humans; D009203:Myocardial Infarction / Q000175:diagnosis; D010138:Pacemaker, Artificial / Q000295:instrumentation; D014672:Vectorcardiography