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16 Cards in this Set
- Front
- Back
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What are some indicators of high risk pregnancy?
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-Maternal age less than 16 or over 35
-Preeclampsia -Rh isoimmunization -History of preterm labor |
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If a mom is hypoglycemic will the baby be also?
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Yes, baby will be even more hypoglycemic
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Types of Ultrasounds:
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-Transabdominal
-Endovaginal (can use this to get closer look at cervix) |
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What's the most important measurement taken from an ultrasound?
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Biparietal diameter of fetal head
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If Dr. was going to do an amniocentesis what should accompany it?
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Ultrasound
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What are doppler blood flow studies used for?
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-Evaluate blood flow in the fetus & mother
-Assess placental function -Helpful in managing pregnancies with maternal diabetes, IUGR, preterm labor, prolonged pregnancies, & multiple gestation |
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What are Nonstress Tests used for?
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To evaluate fetal heartrate with fetal activity
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What does a Reactive NST look like?
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2 or more FHR accelerations of at least 15 bpm with a duration of at least 15 seconds in a 20 minute interval
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What does a Nonreactive NST look like?
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Reactive criteria not met within 30 minutes
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When is a Biophysical Profile completed? What does it assess?
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-When strip is Non-reactive
-Assessment of 5 biophysical variables 1. fetal breathing movement 2. fetal movement of body or limbs 3. fetal tone (extension/flexion of extremities) 4. amniotic fluid vol. 5. reactive NST with activity -Scoring: 2 is normal 0 is abnormal |
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Why is a Contraction Stress Test completed?
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Evaluates the respiratory function of the placenta
-it records FHR response to stress of uterine contractions |
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With each contraction the blood supply to the baby is cut off. What oxygenates baby while uterus is contracting?
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Placenta
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For the CST, how are contractions induced?
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-stimulate the nipples (releases Oxytocin)
-Oxytocin IV |
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Interpretation of CST
Negative: Positive: |
Negative: (good) 3 good contractions lasting 40 seconds in 10 minute interval with no late decelerations
Positive: (bad) persistent late decelerations with more than 50% of the contractions |
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What's a potential complication with a CST?
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-could cause labor- must have permit signed & must be performed in the hospital
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What can we tell from an amniocesis?
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Triple test - AFP, HCG, & UE3 (UE3/not important to us)
L/S ratio - tells us lung maturity. 2:1=mature Fetal maturity index |
