Inclusion Criteria:  Successful TAVR implantation for classical (high flow high gradient), symptomatic aortic valve stenosis LVEF ≥50% Guideline-based indication for pacing due to AV block III°, AV block II°, or symptomatic bradycardic atrial fibrillation with an expecteed ventricular pacing burden >20% Signed informeed conseent to study participation  Exclusion Criteria:  LVEF <50% Expected pacing burden <20% Pre-existing implanted cardiac device Participation in a concurring interventional trial age <18 years Current preegnancy life expectancy <6 months