A patient is in preterm labor, and the prescriber orders magnesium sulfate for its neuroprotective effect on the fetus. The order calls for 4 gm given as an intravenous bolus over 20 minutes, fol-lowed by a maintenance infusion of 2 gm/hr
What will the nurse do? a. Administer the drug as ordered.
b. Question the bolus amount.
c. Question the bolus rate.
d. Question the maintenance amount.
D
For fetal neuroprotective uses, magnesium sulfate should be given using a low-dose protocol, which is a 4-gm IV loading bolus over 20 minutes, followed by a maintenance infusion of 1 gm/hr. A high-dose protocol would have a maintenance infusion of 2 to 3 gm/hr. The nurse should question the maintenance amount. The bolus amount and rate are correct.
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