Visualization of catheter ablation for atrial fibrillation: Impact of devices and anatomy

Figure 13 Device placements in the left pulmonary veins. A: Catheter sheath and the use of a guidewire for placement into the left superior pulmonary vein (LSPV, green arrow); B: Placement of the guidewire into the pulmonary vein ostium (red oval); C: Introduction of the balloon catheter across the left atrium (green arrow).