title: Electrocardiographic diagnosis of pacemaker catheter displacement.
mesh_terms: D002404:Catheterization / Q000009:adverse effects*; D004562:Electrocardiography; D006335:Heart Injuries / Q000175:diagnosis / Q000209:etiology; D006352:Heart Ventricles / Q000293:injuries; D006801:Humans; D010138:Pacemaker, Artificial / Q000009:adverse effects*