Table 1.

Inclusion criteria

Inclusion category	Inclusion definition
1. Drug-resistant symptomatic PAF
a. Paroxysmal	AF that terminates spontaneously or with intervention within 7 d of onset.
b. Frequency	i. Physician documentation of recurrent PAF (2 or more episodes) within 6 mo, AND
	ii. At least 1 documented episode by a recording such as ECG, EM, Holter monitor or telemetry strip within 12 mo of enrollment.
c. Drug-resistant	Failed AAD treatment, meaning therapeutic failure of at least 1 AAD (class I to IV) for efficacy and/or intolerance
2. Age	Patients who are ≥18 and ≤75 years of age on the day of enrollment.
3. Participation	i. Providing informed consent to undergo study procedures, AND
	ii. Participating in all examinations and follow-up visits and tests associated with this clinical study.

AAD = antiarrhythmic drug; AF = atrial fibrillation; ECG = electrocardiography; EM = event monitor; PAF = paroxysmal atrial fibrillation.