Ventricular arrhythmia; sign of myocardial perforation by transvenous pacemaker electrode.
D000368:Aged; D001145:Arrhythmias, Cardiac / Q000209:etiology*; D004562:Electrocardiography; D004566:Electrodes / Q000009:adverse effects; D005260:Female; D006335:Heart Injuries / Q000209:etiology*; D006352:Heart Ventricles; D006801:Humans; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D014693:Ventricular Fibrillation / Q000209:etiology