Paroxysmal supraventricular tachycardia

PSVT — adults and children ≥50 kg: 6 mg rapid bolus, then 12 mg if needed

PSVT — child <50 kg: 0.05–0.1 mg/kg rapid bolus

SVT or sinus tachycardia — maintenance 50 mcg/kg/min (up to 200)

PSVT — 50 mg every 12 h (max 300 mg/day)

PSVT without structural heart disease — 150 mg every 8 h