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2 results for “MgSO4” in Obstetrics & Gynecology
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Preterm labor at 28 weeks — tocolysis choice, corticosteroid timing, and magnesium for neuroprotection
A 26-year-old G1P0 at 28 weeks presents with regular uterine contractions every 5 minutes, cervical dilation of 2 cm, and intact membranes. How long can we safely tocolyze with nifedipine or atosiban? What is the window for betamethasone to be effective for fetal lung maturity? When is IV MgSO4 indicated for fetal neuroprotection in preterm labor, and what are the dosing guidelines (ACOG/RCOG)?
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Management of severe preeclampsia with severe features — antihypertensives, MgSO4, and delivery timing
A 30-year-old primigravida at 33 weeks gestation presents with BP 168/110 mmHg, severe headache, epigastric pain, and 3+ proteinuria. Labs show elevated LFTs and platelets of 89,000. What is the acute antihypertensive of choice (labetalol vs hydralazine vs nifedipine)? What is the MgSO4 dosing protocol for eclampsia prophylaxis? At what gestational age do we deliver despite prematurity in severe preeclampsia?