Gupta Anunay, Parakh Neeraj, Juneja Rajnish
Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India.
Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India.
Indian Pacing Electrophysiol J. 2018 Jan-Feb;18(1):39-41. doi: 10.1016/j.ipej.2017.11.005. Epub 2017 Nov 26.
Usually an electrocardiogram after right ventricular (RV) pacing should yield left bundle branch block (LBBB) pattern. However, the presence of right bundle branch block (RBBB) pattern after pacemaker implantation should alert the physician to a malposition of lead. We report a case of 18-year-old female who underwent dual chamber pacemaker implantation and had RBBB pattern post implantation. Detailed evaluation revealed an uncomplicated right ventricular outflow tract pacing. The possible causes of this abnormal pattern after an uncomplicated RV pacing are also reviewed.