CLOSE to CURE Study

Inclusion Criteria: 1. Patients with symptomatic paroxysmal AF (history of self-terminating AF within 7 days or history of self-terminating AF with 1 or more cardioversions within 48 hours after onset), meeting following criteria at the out-patient clinic: * patient has at least 3 AF episodes in the last 3 months prior to the visit * AF episodes are symptomatic, and patient is drug-resistant (at least one class IC or III), or drug-intolerant (palpitations, fatigue, dyspnea, cardiomyopathy,…) * no advanced structural heart disease * patient has a CHA2DS2-VASc score of 0, 1, 2, 3 or 4 2. Signed Patient Informed Consent Form. 3. Age 18 years or older. 4. Able and willing to comply with all follow-up testing and requirements. Exclusion Criteria: 1. Persistent atrial fibrillation (history of AF\>7days or history of cardioversion \> 48h of AF) 2. Previous ablation for AF 3. LA antero-posterior diameter \> 50 mm (parasternal long axis view , PLAX) 4. LVEF \< 35% (ejection fraction) 5. AF secondary to electrolyte imbalance, thyroid disease, or reversible or non-cardiac cause 6. Coronary artery bypass grafting (CABG) procedure within the last three months 7. Awaiting cardiac transplantation or other cardiac surgery 8. Documented left atrial thrombus on imaging 9. Diagnosed atrial myxoma 10. Women who are pregnant or breastfeeding 11. Acute illness or active systemic infection or sepsis 12. Unstable angina 13. Uncontrolled heart failure 14. Myocardial infarction within the previous two months 15. History of blood clotting or bleeding abnormalities 16. Contraindication to anticoagulation therapy (ie, heparin or warfarin) 17. Life expectancy less than 12 months 18. Enrollment in any other study evaluating another device or drug 19. Presence of intramural thrombus, tumor or other abnormality that precludes catheter introduction