D-Dimer-based Indication for Transesophageal Echocardiography to Exclude Left Atrial Thrombus Before Cardioversion of Non-anticoagulated Atrial Fibrillation: A Multicenter Belgian Study

Patients randomized to the TEE group will be scheduled for cardioversion with prior TEE

Patients randomized to the DD-group will be scheduled for cardioversion with prior D-Dimer analysis. In case of positive D-Dimer results, TEE will be performed prior to cardioversion