[Coronary sinus pacing masquerading as interventricular septal perforation by transvenous catheter].
D000368:Aged; D002037:Bundle-Branch Block / Q000209:etiology; D006328:Cardiac Catheterization / Q000009:adverse effects*; D004562:Electrocardiography; D006346:Heart Septum / Q000293:injuries*; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial / Q000009:adverse effects*