title: Echocardiographic detection of perforation of the cardiac ventricular septum by a permanent pacemaker lead.
mesh_terms: D000368:Aged; D004452:Echocardiography; D006335:Heart Injuries / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology*; D006346:Heart Septum / Q000293:injuries; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D011859:Radiography