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PACS and Afib
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PACS and Afib

I had a seemingly successful Ablation for afib and flutter almost 3 years ago. About a month ago my blood pressure monitor showed irregular heartbeats. I wore an event monitor for a week which showed no afib but I have developed Pacs. My EP said don't worry about them, there benign. By having had an Ablation can this lessen the likelihood that my Afib can or will return.
Tags: Afib, PAC
1124887 tn?1313758491
Hello,

PACs that can cause A-fib usually origin by the pulmonary veins (in the left atrium). When doing an ablation for A-fib, the doctors isolate the pulmonary veins, so the impulses (PACs) that origin there are unable to reach the heart.

So it's unlikely that your PACs have the ability to initiate A-fib.

Normal PACs can occur everywhere in the atrium. Almost all of us have PACs during 24-48 hours, and they are usually completely benign. If your EP has seen and evaluated them on the monitor, you should forget them.
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