Prospective Registry of Pacemaker Patients Concerning Percentage of Right Ventricular Pacing, LVEF and NYHA Class

Preserve Registry: Prospective Registry of Pacemaker Patients Concerning Percentage of Right Ventricular Pacing, LVEF and NYHA Class

This registry is a data collection on patients who are implanted for more than 6 months with a pacemaker. Frequency and distribution of right ventricular pacing, NYHA class and left ventricular ejection fraction shall be documented.

Inclusion Criteria:

• Implanted pacemaker for more than 6 months, VVI/DDD, written consent

Exclusion Criteria:

• Pacemaker implanted for less than 6 months, no right ventricular pacing possibility (AAI), no consent