A nurse is monitoring a laboring client with continuous electronic fetal monitoring. The fetal heart rate tracing shows repetitive late decelerations with minimal variability. The client is at 38 weeks gestation, cervix is 6 cm dilated, and contractions are occurring every 2-3 minutes. What is the priority nursing intervention?
1Encourage the client to ambulate to improve fetal oxygenation
2Administer oxygen at 8-10 L/min via face mask
3Increase the rate of intravenous fluid administration
4Position the client in left lateral position and notify the healthcare provider immediately✓ 정답
해설
Late decelerations with minimal variability indicate fetal hypoxia and uteroplacental insufficiency, requiring immediate intervention. The priority is left lateral positioning to optimize blood flow and notifying the provider for urgent evaluation. Other options are less effective or inappropriate for this critical finding.
Core Nursing ExplanationKey Concept Analysis: This question assesses the critical nursing response to an ominous Fetal Heart Rate (FHR) pattern during labor. Late decelerations are characterized by a gradual decrease in FHR that begins after the peak of a contraction and returns to baseline after the contraction ends. They are caused by uteroplacental insufficiency, meaning the placenta cannot deliver enough oxygen to the fetus during contractions. When combined with minimal variability (a flat, non-fluctuating baseline), it signals significant Key Point!fetal compromise and hypoxia. This is a non-reassuring pattern requiring immediate action.
Answer Rationale: The priority intervention is Position the client in left lateral position and notify the healthcare provider immediately. Here's the physiological and clinical evidence:
1. Left Lateral Positioning: This is the first-line, immediate nursing action. It displaces the gravid uterus off the maternal inferior vena cava and aorta, improving venous return and cardiac output. This, in turn, maximizes uteroplacental perfusion and oxygen delivery to the fetus. It is a simple, non-invasive, and rapid intervention.
2. Notify the Healthcare Provider Immediately: Late decelerations with minimal variability are a serious finding that may necessitate urgent interventions beyond nursing scope, such as internal monitoring, amnioinfusion, tocolysis to stop contractions, or preparation for an emergency cesarean delivery. The nurse must escalate care promptly.
Distractor Analysis:
Watch out for confusion! Option ①, "Encourage the client to ambulate," is contraindicated in this scenario. Ambulation is beneficial for early labor or with reassuring patterns, but with late decelerations indicating hypoxia, the priority is to maximize placental blood flow, which is best achieved with left lateral rest, not increased activity.
Option ②, "Administer oxygen," is a correct supportive measure but is not the first and immediate priority. Oxygen administration is typically done after or concurrently with positional changes. The question asks for the priority intervention. Repositioning addresses the root cause (decreased perfusion) more directly and instantly.
Option ③, "Increase the rate of intravenous fluid administration," is a correct intervention for variable decelerations (indicating cord compression), where a fluid bolus can increase amniotic fluid volume. It is not the primary intervention for late decelerations caused by uteroplacental insufficiency.
Related Concepts: The management of non-reassuring FHR patterns follows the mnemonic DR C BRAVADO (Discontinue oxytocin, Reposition, Correct hypotension, give Oxygen, etc.). In this case, "Reposition" (to left lateral) and "Notify" (the provider for further orders like Oxygen) are the critical first steps.
Concept Summary
FHR Pattern
Cause
Key Nursing Intervention
Late Decelerations (with minimal variability)
Uteroplacental Insufficiency / Fetal Hypoxia
1. Left Lateral Position 2. Administer O2 3. Notify Provider 4. Discontinue Pitocin if infusing
Variable Decelerations
Umbilical Cord Compression
1. Change Position (often Trendelenburg or knee-chest) 2. IV Fluid Bolus (Amnioinfusion)
Early Decelerations
Head Compression (normal)
No intervention needed. Reassuring pattern.
Side-by-Side Comparison!
Intervention
Indication (FHR Pattern)
Rationale
Priority Order
Left Lateral Repositioning
Late Decelerations, Bradycardia
Maximizes uteroplacental blood flow by relieving aortocaval compression.
First for variable decels; supportive for late decels if hypovolemia is suspected.
Anatomy, Physiology & Pharmacology Points
Physiology: The uteroplacental unit is a low-resistance system. Maternal blood flow to the placenta is maximized in the left lateral position, preventing supine hypotensive syndrome.
Pharmacology: If the client is receiving Oxytocin (Pitocin) for labor augmentation, the nurse must discontinue it immediately as part of the intervention, as it worsens uteroplacental insufficiency by causing excessive contractions.
Memory Tips
Acronym for Late Decel Interventions: L.O.N.D. L - Left lateral position O - Oxygen N - Notify provider D - Discontinue Pitocin (if running)
Think "LATE" for LATERAL: Late decelerations = Lateral position first.
High-Frequency NCLEX Topics
This is a classic High Yield priority question. The NCLEX loves to test:
Differentiating between Early, Variable, and Late Deceleration patterns.
Selecting the priority nursing action for a non-reassuring pattern.
Understanding the pathophysiological reason behind each intervention.
Watch Out for Question Variations!
Symptom Focus: "The nurse notes late decelerations on the monitor. Which finding should the nurse anticipate?" (Answer: Signs of fetal hypoxia/acidosis).
Intervention Focus: "After repositioning the client and administering oxygen, the late decelerations persist. What should the nurse anticipate the provider will order next?" (Answer: Preparation for emergency cesarean delivery or internal fetal monitoring).
Medication Focus: "The client is receiving oxytocin. The FHR shows late decelerations. What is the nurse's first action?" (Answer: Stop the oxytocin infusion, THEN reposition).
Nursing Clinical Practice GuideClinical Scenario: You are the nurse in Labor & Delivery. Your patient, a 38-week G1P0, is on the monitor. You see the FHR drop to 110 bpm after each contraction, with a slow return to baseline. The baseline looks "flat" with very little wiggle. Contractions are strong, every 2 minutes. The patient is lying on her back.
Nursing Intervention Strategy:
Immediate Assessment & Action (Within seconds):
Verbalize & Act: Say to the patient, "I need to help you roll onto your left side right now to help your baby." Physically assist her into the left lateral position. Use pillows for support.
Concurrent Action: While repositioning, call out to your colleague or hit the call bell: "I need help in Room 3, and please notify Dr. Smith of late decels with minimal variability."
Secondary Interventions (Within 1-2 minutes):
Apply a non-rebreather face mask at 8-10 L/min.
Check the IV pump. If Pitocin is infusing, STOP IT.
Increase the rate of the maintenance IV fluid (like Lactated Ringer's) to open up, but this is not the primary fix for late decels.
Perform a vaginal exam only if you are qualified and it is safe; otherwise, wait for the provider.
Ongoing Monitoring & Communication:
Continuously monitor the FHR and contraction pattern. Has the variability improved? Have the decelerations resolved with positioning/O2?
Document meticulously: Time of pattern recognition, your actions (position change, O2 initiation, notification), patient response, and provider notification time/response.
Prepare for possible escalation: Ensure the operating room is notified if the provider indicates a potential emergency C-section. Have neonatal resuscitation equipment ready.
Patient Safety and Precautions:
Never leave the patient unattended when a non-reassuring pattern is present.
Avoid the supine position at all costs during late decelerations.
Communication: Use SBAR (Situation, Background, Assessment, Recommendation) when notifying the provider. Be clear, concise, and state what you have already done.
Nursing Procedure & Medication FlowProcedure: Responding to Late Decelerations
1. Assess: Confirm pattern (late decel + minimal variability). Assess maternal position and vital signs.
2. Intervene (First): Reposition to left lateral.
3. Intervene (Second): Administer O2 via face mask at 8-10 L/min.
4. Intervene (Third): Discontinue any uterotonic agent (Pitocin).
5. Communicate: Notify healthcare provider STAT.
6. Evaluate: Monitor FHR for improvement. Assist with further orders (IV fluids, internal monitor, prep for C-section).
Medication: Oxytocin (Pitocin)
Action: Stimulates uterine contractions.
Precaution: Must be on an IV pump. Nurse must be at bedside monitoring FHR and contraction pattern continuously.
Stop Criteria: Discontinue immediately for: Contractions >90 seconds, resting tone >20-25 mmHg, frequency <2 min apart, or any non-reassuring FHR pattern (like late decels).
A Word from Your Senior Nurse
"In the delivery room, you are the eyes and ears for both the mother and the baby. That fetal monitor strip is your early warning system. When you see late decelerations, don't panic — but do act with urgency and purpose. Remember your basics: Position, Oxygen, Notify. Your quick thinking and correct first action can be the difference that buys critical time and ensures a safe delivery. On the NCLEX, they are testing if you know what to do first in a crisis. In real life, you're doing it. Connect the dots, and you'll excel in both."
Late Decelerations — A gradual decrease in FHR beginning after the peak of a contraction, caused by uteroplacental insufficiency and fetal hypoxia.
Minimal Variability — Absence of fluctuations in the FHR baseline (<5 bpm), indicating possible fetal CNS depression or hypoxia.
Uteroplacental Insufficiency — Inability of the placenta to deliver adequate oxygen and nutrients to the fetus, often the cause of late decelerations.
Left Lateral Position — Positioning that displaces the uterus off the maternal great vessels, maximizing venous return and uteroplacental blood flow.
Non-reassuring Fetal Heart Rate Pattern — FHR findings (e.g., late/variable decels with minimal variability, bradycardia) that suggest fetal compromise and require intervention.