Figure 1

Catheter inversion technique. The ablation catheter is inverted to approach the Eustachian ridge. (A) Right anterior oblique. (B) Left anterior oblique. ABL, ablation catheter; CS, coronary sinus; LRA, lateral right atrium.
Catheter inversion technique. The ablation catheter is inverted to approach the Eustachian ridge. (A) Right anterior oblique. (B) Left anterior oblique. ABL, ablation catheter; CS, coronary sinus; LRA, lateral right atrium.