Prevention of Atrial Arrhythmia in Patients Without Atrioventricular (AV) Conduction Disease

Exclusion Criteria

• •Need a replacement pacemaker device
• •Have an unknown PR interval
• •Known AV block ≥ 250 ms PR interval
• •Minor and/or pregnant woman
• •Patients enrolled in other clinical trials
• •Patients with sustained ventricular arrhythmia
• •Patients with severe coronary artery disease (at the discretion of the investigator)
• •Patients with advanced cardiomyopathy (at the discretion of the investigator)
• •Patients who have sustained a myocardial infarction or undergone cardiac surgery within the past 30 days
• •Patients with unstable angina pectoris
• •Patients whose life expectancy is less than 1 year
• •Patients who are unlikely to return for required follow-up visits
• •Patients who present with permanent atrial arrhythmia or those who usually require cardioversion to terminate such arrhythmia and/or
• •Patients whose physician plans to add or change medical treatment because of AA episodes during the follow-up period.
• •Patient unable to understand the purpose of the study or refusing to cooperate