What is ablation of the heart and is it harmful?

Ablation. Is use of high radio frequency catheter based technique to cure heart arrythmias. It has a low complication rate.
Destroy problem area. In some cases, an area of the heart can cause dangerous or uncomfortable irregularity of the heartbeat. A special wire is used to destroy the offending area hopefully curing the problem. If the problem spot is in a critical area, it may necessitate a pacemaker afterwards. Infrequently, there may be damage to the pulmonary veins or fluid may accumulate in the sac around the heart.