Magnesium Sulfate
Medication used for seizure prophylaxis in preeclampsia that affects neuromuscular blocking agents and anesthetic requirements.
Full Definition
Magnesium sulfate is the first-line medication for seizure prophylaxis in severe preeclampsia and eclampsia treatment. In obstetric anesthesia, magnesium administration has several important implications: it potentiates the effects of both depolarizing and non-depolarizing neuromuscular blocking agents, requiring dose adjustments and careful monitoring. It can also cause vasodilation and hypotension, affecting hemodynamic management during neuraxial anesthesia. Magnesium has mild analgesic properties and may reduce postoperative pain. Therapeutic levels range from 4-8 mg/dL, and toxicity can cause respiratory depression and cardiac conduction abnormalities.
Usage
Usage note: Often abbreviated as MgSO4; always monitor deep tendon reflexes and respiratory status during administration.
In Context
- "Magnesium sulfate infusion was continued throughout the cesarean section for seizure prophylaxis." — Anesthesia record
- "The neuromuscular blocking dose was reduced due to concurrent magnesium sulfate therapy." — Medication administration record