International Registry on Cardioversion of Atrial Fibrillation (MK-6621-051)

International Registry on Cardioversion of Atrial Fibrillation

This study will create a prospective registry of consecutive patients with Atrial Fibrillation (Afib) considered for cardioversion treatment to document up-to-date practice of in-hospital treatment, with a focus on the characterization of type of Afib, as well as on treatments applied (drugs, devices, interventions and their combinations), and associated complications within 60 days after enrollment.

Inclusion Criteria:

• Participant with documented atrial fibrillation (confirmed by electrocardiogram) in the hospital setting at the time of enrollment
• Planned cardioversion (of atrial fibrillation)

Exclusion Criteria:

• Already enrolled in this or any other clinical trial
• Atrial flutter