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24 Cards in this Set
- Front
- Back
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What cervical length on endovaginal ultrasound puts patients at risk for PRETERM LABOR? How far along?
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<25mm at 22-25 weeks
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What is used for prevention of Preterm Delivery in high-risk patients?
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Progesterone
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What 2 risk factors qualify patients for progesterone prophylaxis for PTL?
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-History of PTL
-Cervix length <15mm on US |
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A trial of what tocolytic can be used to assess for likelihood of preterm delivery?
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Terbutaline
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During what time period are Antenatal Corticosteroids MOST effective?
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24-34 weeks
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What is the main thing to remember about tocolytics?
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THERE ARE NO GOOD DRUGS TO STOP LABOR
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How do all tocolytics work?
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Inhibit formation of gap junctions
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How does Magnesium sulfate work?
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Competes with Ca
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What is Nifedipine contraindicated in?
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Maternal hypotension
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How long do Nifedipine vs Terbutaline typically delay delivery?
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Nifedipine: 7 days
Terbutaline: 48hrs |
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What is Terbutaline contraindciated in?
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Heart disease
Poorly controlled diabetes Thyrotoxicosis |
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What 2 niches is Indomethacin especially suited for?
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-PTL <32 weeks
-PTL with polyhydramnios |
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If a patient has preterm labor, her GBS status is unknown, and she develops risk factors, what should you do?
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GBS prophylaxis
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What is the first choice drug for GBS prophylaxis?
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Penicillin G
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What should you give if the patient is allergic to penicillin but not severe?
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Cefazolin
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What should you give for GBS prophylaxis if the patient is severely allergic to PCN G?
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Check susceptibility to clinda and erythro
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What can you give if the isolate is susceptible to Clindamycin and Erythromycin?
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Clindamycin 900 mg IV q8hrs until delivery
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What can you give if the isolate is NOT susceptible?
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Vancomycin 1 gram IV q12 hrs until delivery
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What are patients with PPROM, preterm premature rupture of membranes, at risk for?
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Intra-amniotic infections
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At what gestational age should PPROM be treated MEDICALLY?
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24-34 weeks
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What are the medications used for treating PPROM?
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-Corticosteroids
-Antibiotics |
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What 3 Abx are used for PPROM?
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-Ampicillin
-Erythromycin -Amoxicillin |
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What is the treatment for PPROM for pregnancies 34 weeks or more?
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Elective Induction of Labor
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What is the best treatment for just PROM at term?
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Expeditious delivery
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