Focal Atrial Tachycardia Arising from the Tricuspid Annulus: Electrophysiologic and Electrocardiographic Characteristics

Abstract

The TA is an important site of origin of RAT. In the present study, the inferoanterior region of the TA was a preferential site of origin with resulting characteristic P wave morphology. Knowledge of this anatomic distribution and P wave morphology allows targeted mapping and may facilitate successful RFA.