This usually disappears in a week or two. It would also be unusual for you to develop a fever or experience a recurrence of your rapid heart rhythm, chest pain, dizziness, or shortness of breath. If any of these occur, contact your physician immediately. Because ablation procedures require the insertion of catheters into the body, they do involve some risk. Some patients can have bleeding, swelling, or bruising where the catheters were inserted.
Serious complications do sometimes occur.
Death is very rare during these procedures. It is also possible that the heart's normal electrical system could be damaged during this procedure. If this occurs, an artificial pacemaker implant may be necessary. Most patients who undergo catheter ablation do not experience complications. However, you should be aware of the risks.