NBME Step 2 CK Form 7 Magnesium sulfate (NBME Answers)

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Retired NBME Step 2 CK Form 7 Answers

step2ck_form7/Block 4/Question#11 (reveal difficulty score)
A 32-year-old woman, gravida 3, para 1, ...
Magnesium sulfate 🔍 / 📺 / 🌳 / 📖
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submitted by ∗carolebaskin(109)

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Give to mothers at risk for delivery <32 weeks gestation

Decreases risk of cerebral palsy in infants

Also, it is a tocolytic that competes with Ca2+ for muscle depolarization (myometrium)

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submitted by ∗step_prep5(246)

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Woman with history of preterm labor who presents with preterm labor (contractions AND cervical changes) at 28 weeks’ gestation and therefore should receive (1) Betamethasone (promote lung development) (2) Magnesium sulfate (neuroprotective for baby, tocolytic effects (3) Tocolytics (4) IV Penicillin if GBS positive or unknown
Delivery at <32 weeks: See above
Delivery at 32-34: (1) Betamethasone (promote lung development) (2) Tocolytics (3) IV penicillin if GBS positive or unknown
Delivery at 34-37: (1) Betamethasone (promote lung development) (2) IV penicillin if GBS positive or unknown

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