Therapy

DC cardioversion

Consider internal cardioversion ^a  

Why?

• It is more effective than external cardioversion ^a

Internal cardioversion is more successful than external cardioversion

Patient	Treatment	Comparison	Outcome	CER	RRR (95% CI)	NNT (95% CI)
chronic AF a	internal cardioversion	external cardioversion	failed cardioversion at 10 minutes	33%	73% (32% to 89%)	4 (3 to 10)