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Difficulty: MediumAnte/Intra/Postpartum and Newborn Care

While caring for a laboring client whose amniotic membranes ruptured two hours ago, the nurse evaluates the electronic fetal heart rate tracing. The nurse observes abrupt, U-shaped decreases in the fetal heart rate that fall 30 to 40 beats per minute below the baseline. These decreases do not have a consistent relationship to the timing of uterine contractions and typically last 20 to 40 seconds before rapidly returning to baseline. Which action should the nurse take first?

  1. Assist the client in changing to a lateral or knee-chest position.Answer
  2. B
    Document the finding as an expected physiological response to fetal head compression.
  3. C
    Instruct the unlicensed assistive personnel to continuously observe the fetal monitor for further drops.
  4. D
    Notify the operating room to immediately prepare for an emergent cesarean birth.

Answer

Assist the client in changing to a lateral or knee-chest position.
The clinical presentation describes variable decelerations, which are caused by transient umbilical cord compression. The immediate priority nursing action is to assist the client into a lateral, Sims, or knee-chest position. This mechanically shifts the weight of the fetus, relieving the physical pressure on the umbilical cord and restoring adequate blood flow. If maternal repositioning does not resolve the decelerations, additional intrauterine resuscitation measures (such as administering oxygen, increasing intravenous fluids, and notifying the healthcare provider) would then be indicated.

Step-by-Step Solution

1
Analyze the fetal heart rate tracing description.
The abrupt, U-shaped decreases that vary in timing relative to uterine contractions indicate variable decelerations.
Identifying the specific deceleration pattern is required to determine the underlying physiological etiology.
2
Identify the cause of variable decelerations.
Variable decelerations are caused by umbilical cord compression, reducing blood flow to the fetus.
Connecting the fetal heart rate pattern to its physiological cause allows the nurse to select the correct targeted intervention.
3
Determine the priority nursing intervention.
Changing the maternal position is the immediate, non-invasive action to physically relieve pressure on the umbilical cord.
Basic nursing interventions must be prioritized to resolve the complication before escalating to extreme medical or surgical interventions.

Key Concept

Management of Variable Fetal Heart Rate Decelerations
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Topics

Ante/Intra/Postpartum and Newborn Care

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