A Study of Multi-electrode Circular Irreversible Electroporation (IRE) Catheter and Multi-Channel IRE Generator in Paroxysmal Atrial Fibrillation (AF)

Prior treatment

• Previous left atrium (LA) ablation or surgery
• Previously diagnosed with persistent AF (greater than \[\>\] 7 days in duration)
• Severe dilatation of the LA (documented LAD \>50 millimeters \[mm\] antero-posterior diameter by transthoracic echocardiography (TTE) within 6 month prior to enrollment)

Other illness

• AF secondary to electrolyte imbalance, thyroid disease, or reversible or non-cardiac cause (Example, untreated documented obstructive sleep apnea and acute alcohol toxicity)

Other

• Participants known to require ablation outside the pulmonary vein (PV) region (atrioventricular reentrant tachycardia, atrioventricular nodal reentry tachycardia, atrial tachycardia, atrial flutter of unknown origin, ventricular tachycardia and Wolff-Parkinson-White)

• Diagnosed with symptomatic paroxysmal atrial fibrillation (PAF) (Physician's note indicating recurrent self-terminating atrial fibrillation \[AF\]). At least one electrocardiographically documented AF episode within twelve (12) months prior to enrollment. Electrocardiographic documentation may include, but is not limited to, electrocardiogram (ECG), Holter monitor, or telemetry strip
• Failed at least one Class I or Class III antiarrhythmic drug (AAD) as evidenced by recurrent symptomatic AF, contraindicated or intolerable to both Class I and Class III AAD
• Able and willing to comply with all pre-procedure, post-procedure, and follow-up testing and visit requirements
• Willing and capable of providing consent