Study Status: Completed
Recruit Status: Completed
Study Type: Interventional
Official Title: Investigational New Drug Application/ Investigational Device Exemption Information
Brief Summary: This study is a long-term, prospective, and controlled evaluation of the incidence of persistent atrial fibrillation (AF) in patients with severe intra-right atrial conduction delay paced with preventive algorithms at the interatrial septum (IAS) versus right atrial appendage (RAA).