Clinical Research Directory

Inclusion Criteria: 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. Exclusion Criteria: Patients who do not meet any of the following conditions: * Patients with a wide QRS (greater than or equal to 120 msec) at baseline, with the except for patients with permanent pacemakers. * Hospitalized patients undergoing urgent TAVI implantation. * Patients with access other than percutaneous transfemoral.