Function: Atrioesophageal fistula is Probably the most feared difficulties of radiofrequency catheter ablation (RFCA) of atrial fibrillation (AF) as it's linked to superior mortality. Deciding the esophagus location through RFCA might cut down the chance of esophageal injury. The present analyze aims to evaluate the feasibility of using intracardiac echocardiography https://www.directivepublications.org/journal-of-cardiovascular-diseases/