Therapy

• calcium-channel blockers: diltiazem at least 0.15 mg/kg ^a

Why?

• Doses of 0.15 mg/kg of verapamil are more effective than placebo at cardioversion ^a

SVT: diltiazem is more effective at cardioversion than placebo

Patient	Treatment	Comparison	Outcome	CER	RRR (95% CI)	NNT (95% CI)
paroxysmal SVT a	diltiazem 0.15 mg/kg	placebo	sinus rhythm at 17 minutes	25%	-240% (-590% to -64%)	2 (1 to 3)