Low Fluoroscopy Afib Ablation Registry

Inclusion Criteria: * Patient meets accepted AHA/ACC/HRS guideline indications for catheter ablation of paroxysmal or persistent AF * First or subsequent ablation procedures may be included * Age 18-75 Exclusion Criteria: * Known venous malformations or implanted instrumentation (IVC filter) * Known PV stenosis * Unable to provide consent * H/O mechanical mitral valve replacement (unable to rely on EA mapping only) * Documented left atrial thrombus * Prior ASD repair Pregnancy * NYHA \>=3 * EF less than 35% * CHF within 90 daysRecent MI or coronary revascularization within 90 days * NOTE: H/O implanted pacemaker or ICD with transvenous leads will NOT be an exclusion criteria, but we will track patients treated with pre-existing transvenous leads with the hypothesis that although fluoroscopy use will be higher in these patients compared to those without leads, but still lower than conventionally treated patients. * Patients who are undergoing non- standard of care ablations ie, Cyro or FIRM ablations