magnesium sulfate
Medication used in obstetrics for neuroprotection, tocolysis, and treatment of severe preeclampsia.
Full Definition
Magnesium sulfate is a versatile medication with multiple applications in perinatal medicine. It serves as a neuroprotective agent for preterm infants, reducing the risk of cerebral palsy when administered to mothers delivering before 32 weeks gestation. As a tocolytic agent, magnesium sulfate can temporarily suppress preterm labor contractions, allowing time for corticosteroid administration or maternal transport. In cases of severe preeclampsia or eclampsia, it acts as an anticonvulsant to prevent or treat seizures. The medication works by blocking calcium channels and stabilizing cell membranes. Close monitoring is required during administration, as excessive levels can cause respiratory depression, cardiac arrest, and loss of reflexes.
Usage
Usage note: Calcium gluconate should be readily available as an antidote for magnesium toxicity.
In Context
- "Magnesium sulfate was initiated for neuroprotection given the imminent preterm delivery at 28 weeks." — Treatment protocol
- "Continuous monitoring was maintained during magnesium sulfate infusion for severe preeclampsia." — Labor management