A nurse is performing a nonstress test for a client who is at 38 weeks of gestation. The fetal monitor tracing reveals a series of late decelerations.
Which of the following interventions should the nurse implement first?

Place the client in a lateral position.

Administer lactated Ringer's via IV bolus.

Prepare the client for a cesarean birth.

Elevate the client's legs.

Answer and Explanation

The Correct Answer is A

Choice A rationale

Late decelerations indicate uteroplacental insufficiency, meaning reduced blood flow and oxygen to the fetus. Placing the client in a lateral position (left or right side) can alleviate pressure on the vena cava, improving venous return to the heart, thus increasing cardiac output and uteroplacental perfusion. This is the least invasive initial intervention.

Choice B rationale

While intravenous fluid administration may be indicated in some cases to improve maternal hydration and placental perfusion, repositioning the client is a more immediate and less invasive intervention to address uteroplacental insufficiency by optimizing maternal circulation and oxygen delivery to the fetus.

Choice C rationale

Preparing for a cesarean birth is a significant intervention reserved for persistent or severe fetal distress that does not respond to less invasive measures. Although late decelerations are concerning, immediate surgical intervention is not the first step without attempting to optimize fetal well-being through maternal repositioning.

Choice D rationale

Elevating the client's legs might slightly increase venous return, but it is not the primary intervention for late decelerations. The lateral position is more effective in relieving aortocaval compression, directly addressing the underlying issue of reduced placental blood flow, and is the established first-line intervention.

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Correct Answer is {"A":{"answers":"B"},"B":{"answers":"A,B"},"C":{"answers":"A"},"D":{"answers":"A,B"}}

Explanation

Abruptio Placentae: Typically does not cause increased contraction frequency; contractions may be normal or decreased due to uterine irritation or pain.

Uterine Tachysystole: Characterized by more than 5 contractions in 10 minutes averaged over 30 minutes, indicating excessive contraction frequency, which can reduce uteroplacental perfusion.

Uterine Tone
Abruptio Placentae: The uterus often becomes firm, rigid, and tender due to bleeding and inflammation caused by premature placental separation, increasing baseline uterine tone.

Uterine Tachysystole: Uterine tone is elevated because contractions are prolonged and close together, causing the uterus to remain tense with insufficient relaxation.

Pain Report
Abruptio Placentae: Patients usually report sharp, severe abdominal or back pain due to the sudden placental detachment and uterine irritation.

Uterine Tachysystole: Pain may be present but is typically related to frequent contractions rather than sharp, localized pain.

FHR Pattern
Abruptio Placentae: Commonly causes fetal heart rate abnormalities like late decelerations, bradycardia, or absent variability due to fetal hypoxia from compromised placental perfusion.

Uterine Tachysystole: Can cause decreased fetal heart rate variability and late decelerations because frequent contractions reduce oxygen delivery during inadequate relaxation.

A. Administer oxygen via nasal cannula at 2 L/min. B. Administer lactated Ringer's 500 mL bolus. C. Place the client in a knee-chest position. D. Monitor the client's blood pressure every 30 min.

Correct Answer is B

Explanation

Choice A rationale

Administering oxygen via nasal cannula at 2 L/min might marginally increase fetal oxygenation, but it does not address the primary issue of hypotension causing decreased placental perfusion. The fundamental problem is reduced blood flow to the placenta, necessitating interventions that increase maternal circulating volume and blood pressure to improve perfusion.

Choice B rationale

Administering a lactated Ringer's 500 mL bolus directly addresses hypotension by expanding the maternal intravascular volume. This increased circulating volume raises blood pressure, thereby improving placental perfusion and oxygen delivery to the fetus. Lactated Ringer's is an isotonic solution, effective for rapid volume expansion.

Choice C rationale

Placing the client in a knee-chest position is typically used to alleviate cord compression or prolapse by shifting the fetus, not for treating hypotension. This position can actually worsen hypotension by trapping blood in the lower extremities and reducing venous return to the heart, further compromising placental blood flow.

Choice D rationale

Monitoring the client's blood pressure every 30 minutes is a crucial assessment but is not an immediate intervention for acute hypotension with decreased placental perfusion. While ongoing monitoring is essential, immediate actions are required to correct the underlying cause of hypotension and restore adequate blood flow to the placenta.

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A nurse is performing a nonstress test for a client who is at 38 weeks of gestation. The fetal monitor tracing reveals a series of late decelerations. Which of the following interventions should the nurse implement first?

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Naxlex Comprehensive Predictor Exams

Correct Answer is {"A":{"answers":"B"},"B":{"answers":"A,B"},"C":{"answers":"A"},"D":{"answers":"A,B"}}

Explanation

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Correct Answer is B

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A nurse is performing a nonstress test for a client who is at 38 weeks of gestation. The fetal monitor tracing reveals a series of late decelerations.
Which of the following interventions should the nurse implement first?