Figure 3. EKG with asynchronous pacing (with magnet on the pacemaker) showing RBBB

From

Shift From Left to a Right Bundle Block on ECG Leading to the Diagnosis of a Malpositioned Lead in the Coronary Sinus: A Case Report

Pramod Theetha Kariyanna, Yuvraj Singh Chowdhury, Amog Jayarangaiah, Jonathan Christopher Francois, Pakinam Mekki, Isabel M. McFarlane

American Journal of Medical Case Reports. 2020, 8(7), 178-181 doi:10.12691/ajmcr-8-7-4