4
Diagnosis
Table 2a. Indications for Catheter Ablation of Atrial
Fibrillation
Recommendations COR LOE
Symptomatic
AF refractory or
intolerant to at
least one Class 1 or
3 antiarrhythmic
medication
Paroxysmal: Catheter ablation is
recommended.
1 A
Persistent: Catheter ablation is
reasonable.
2A B-NR
Long-standing persistent: Catheter
ablation may be considered.
2B C-LD
Symptomatic AF
prior to initiation
of antiarrhythmic
therapy with a Class
1 or 3 antiarrhythmic
medication
Paroxysmal: Catheter ablation is
reasonable.
2A B-R
Persistent: Catheter ablation is
reasonable.
2A C-EO
Long-standing persistent: Catheter
ablation may be considered.
2B C-EO