Figure 1.

The optimal lesion of catheter tip. The optimal lesion location was defined as being within a 3-cm margin (superiorly or inferiorly) from the cavoatrial junction, as seen on the chest X-ray.

The optimal lesion of catheter tip. The optimal lesion location was defined as being within a 3-cm margin (superiorly or inferiorly) from the cavoatrial junction, as seen on the chest X-ray.