after baseline electrophysiologic study , including documentation of sustained supraventricular tachycardia that was reproducibly induced , parenteral magnesium sulfate ( a bolus of 0.3 meq/kg of elemental magnesium infused over a 10-minute period followed by a maintenance infusion of 0.2 meq/kg/hr ) was administered during sustained supraventricular tachycardia .
C0024480
magnesium sulfate
C0024467
magnesium