Clinical factors favoring atrioventricular node ablation in patients with refractory atrial fibrillation

Clinical characteristics	Favors atrial fibrillation ablation	Favors atrioventricular node ablation/pacing
Age	Younger	Older, particularly very elderly
Atrial fibrillation pattern	Paroxysmal	Persistent, particularly very longstanding ("permanent")
Left atrial size	Normal/near normal	Markedly dilated
Comorbidities	Minimal	Extensive
Overall health	Robust	Frail
Miscellaneous	High infection risk	Previous failed atrial fibrillation ablation

Courtesy of Leonard Ganz, MD.

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