POLARx Post Approval Study (POLARx PAS)

This post-approval study is following patients who receive the POLARx cryoablation system (a device that uses extreme cold to destroy abnormal heart tissue) as treatment for paroxysmal atrial fibrillation (PAF) — episodes of irregular heartbeat that come and go. **You may be eligible if...** - You have symptomatic paroxysmal atrial fibrillation that keeps coming back despite medication - Your doctor has recommended cryoablation as part of your standard care - You have not had a prior ablation procedure in the left atrium of your heart **You may NOT be eligible if...** - You have had a previous left atrium ablation - You have severe narrowing of your pulmonary veins or pulmonary vein stents - You have severe valve disease or a mechanical or biological heart valve replacement - You have an active systemic infection - Your life expectancy is less than 1 year - You are pregnant or planning to become pregnant during the study Talk to your doctor to see if this trial is right for you.