Magnesium sulfate is infused over how many minutes when used for seizures in pregnancy?

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Multiple Choice

Magnesium sulfate is infused over how many minutes when used for seizures in pregnancy?

Explanation:
Magnesium sulfate is given as a loading dose to rapidly achieve therapeutic levels that help prevent or stop seizures in preeclampsia/eclampsia. The standard approach is to administer four grams IV over about 20 minutes, then switch to a maintenance infusion to keep levels steady. Infusing too quickly can cause sudden hypotension, flushing, respiratory depression, or loss of reflexes, while infusing too slowly may not provide protection against seizures promptly. So the infusion duration is chosen around 20 minutes to balance safety with effective anticonvulsant action.

Magnesium sulfate is given as a loading dose to rapidly achieve therapeutic levels that help prevent or stop seizures in preeclampsia/eclampsia. The standard approach is to administer four grams IV over about 20 minutes, then switch to a maintenance infusion to keep levels steady. Infusing too quickly can cause sudden hypotension, flushing, respiratory depression, or loss of reflexes, while infusing too slowly may not provide protection against seizures promptly. So the infusion duration is chosen around 20 minutes to balance safety with effective anticonvulsant action.

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