27
Figure 9. Left Bundle Branch Pacing in Narrow QRS
R-wave peak time in lead V
6
(V
6
RWPT) measured from the LBB potential at baseline is the
same as stimulus to V
6
RWPT during LBB capture, but significantly longer with loss of LBB
capture (LV septal pacing ).
Adapted with permission from Jastrzebski, et al. Heart Rhythm 2021;18:935-943.
