Purpose: Atrioesophageal fistula is One of the more feared issues of radiofrequency catheter ablation (RFCA) of atrial fibrillation (AF) as it is associated with superior mortality. Identifying the esophagus location during RFCA may possibly lower the potential risk of esophageal injury. The existing research aims to evaluate the feasibility of https://www.directivepublications.org/journal-of-cardiovascular-diseases/