⁃ Patients who meet all of the following conditions will be included:

• Patients ≥ 18 years undergoing transfemoral TAVI implantation scheduled, performed on an outpatient basis.

• Patients with percutaneous implant.

• Patients undergoing the procedure under superficial sedation or Local anesthesia.

• Patients with baseline narrow QRS that does not change after implantation, or definitive pacemaker carrier.

• Patients who have signed the informed consent.