Clinical Research Directory

Inclusion Criteria: 1. Adults ≥18 years old. 2. Patient understands the purpose, the potential risks as well as benefits of the trial and is willing to participate in all parts of the follow-up. 3. Patient has given written consent to participate in the trial. 4. Patients undergoing TAVI as a treatment of severe aortic stenosis (AS). 5. Patient in sinus rhythm. 6. Patients planned for TAVI with utilization of temporary pacemaker electrode placement. Exclusion Criteria: 1. Ongoing infection, including active endocarditis. 2. Implanted permanent pacemaker and/or implantable cardioverter/defibrillator. 3. Patients developing persistent second or third degree atrioventricular block (AV) after TAVI. 4. Underlying rhythm other than sinus based on the surface ECG leads monitoring after TAVI. 5. Patients with second or third degree AV block identifyied on the screening pre-TAVI ECG. 6. Enrolment in another study that competes or interferes with this study. 7. Subject will not be able to comply with the follow-up requirements according to investigators' opinion. 8. Pregnant or breast-feeding females or females who intend to become pregnant during the time of the study.