Therapy

Terminate the rhythm using  diltiazem 0.25 mg/kg ^a

Why?

• Diltiazem helps terminate SVT due to re-entrant pathways ^a

Wolff-Parkinson-White syndrome: diltiazem is more effective than placebo at cardioversion

Patient	Treatment	Comparison	Outcome	CER	RRR (95% CI)	NNT (95% CI)
SVT due to re-enterant pathway a	diltiazem	placebo	termination of arrhythmia at 15 minutes	19%	350% (100% to 890%)	2 (1 to 2)