There has been an exponential increase in catheter ablation procedures for the treatment of cardiac arrhythmias over the last decade.
Shingles blisters usually scab over in 7-10 days and disappear completely in two to four weeks. In most healthy people, the blisters leave no scars, and the pain and itching go away after a few weeks or months.
For most people the pain of shingles goes away in the first month or two after the blisters heal. If you have shingles on your head or scalp, it may take longer for the pain to go away. Sometimes the virus damages a nerve.