Permanent pacemaker implantation is one of the most common arrhythmological procedure. This procedure is usually accompanied by a minimum of 2-3 days hospitalization, with immobilization of patients (supine) for 16-24 hours. The optimal duration of patient´s immobilization is not determined. There is also no recommendation from individual manufacturers of pacemakers for the duration of immobilization after pacemaker implantation. The length of immobilization is based rather on the tradition established at the time of using electrodes with passive fixation. The aim of our prospective, randomized study (EMAPI) is to compare the safety of short-term (4-hours) immobilization with long-term (16-24 hours) immobilization after primary pacemaker implantation. Septal position will be used for right ventricular electrode.

Inclusion Criteria:

1. 18 years and older.
2. Indication for permanent pacemaker implantation.
3. Mobile and compliant patient.
4. Willing and able to give written informed consent.

Exclusion Criteria:

1. Imobile and noncompliant patient.
2. Indication of CRT implantation.
3. Upgrade or revision of implanted devise.
4. Contraindications to pacemaker implantation.
5. Gravidity.