This figure shows that RBBB was only partially corrected with
NS-HBP and not affected by decrease in pacing voltage in NS-HBP, The
complete recurrence of RBBB upon transition to S-HBP documents that the
site of RBBB was distal to pacing site.
Figure 3: Complete correction of a distal site of chronic RBBB with
NS-HBP but not with S-HBP