Contemporary guidelines recommend permanent PM implantation for asymptomatic persistent third-degree AV block at any anatomic site with average awake ventricular rates of 40 beats/min or slower if ...

The burden of ventricular pacing was high in both groups (median percentage ventricular pacing 98.6% for patients with third-degree AVB, 97.8% for patients with second-degree AVB, and 97% for ...