Case Report
Copyright ©The Author(s) 2020.
World J Clin Cases. Sep 26, 2020; 8(18): 4266-4271
Published online Sep 26, 2020. doi: 10.12998/wjcc.v8.i18.4266
Figure 5
Figure 5 Electrocardiogram. A: Graph when the atrioventricular delay was adjusted to 130 ms, and the two-chamber pacemaker was fused with the right bundle branch and down transmission (QRS 110 ms); B: Left bundle branch pacing with the optimization of cardiac resynchronization.