The Critical Care Obstetrics Podcast Let's Talk About Magnesium
Jul 24, 2023
Explore the vital role of magnesium sulfate in obstetric care, particularly for seizure prevention and infant neuroprotection. Learn about the importance of standardized protocols for safe administration in preeclampsia and the need for monitoring urine output to minimize UTI risks in preterm labor. The discussion critiques traditional practices and emphasizes patient safety over outdated methods. Redefining misconceptions, the experts clarify how to manage magnesium toxicity and its connection to severe preeclampsia, ensuring optimal care for critically ill pregnant women.
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One IV Is Usually Enough
- Do not require two IV lines routinely; run Pitocin and magnesium through the same IV and plug Pitocin into the port closest to the insertion site.
- Use a second IV only when medications like insulin are incompatible with magnesium or oxytocin.
Labeling, Double-Checks, And Bag Prep
- Label magnesium bags and lines and require a 2-RN check when initiating or changing bags or doses.
- Use pharmacy-prepared mixtures and separate bolus and maintenance bags (eg 20 g in 500 mL) to reduce dosing errors.
Monitor Urine Output Carefully
- Do hourly intake/output monitoring for preeclamptic patients on magnesium and consider a Foley catheter to reliably measure urine output.
- For neuroprotection dosing in preterm labor, avoid routine Foley placement to reduce UTI risk and use voiding/bedpan checks instead.