A primigravida client at 38 weeks gestation arrives at the e… | 마이메르시 MyMerci
Maternal Newborn Health
문제

A primigravida client at 38 weeks gestation arrives at the emergency department with strong, frequent contractions that began 45 minutes ago. Upon examination, the cervix is 8 cm dilated and 100% effaced. The fetal heart rate is 140 bpm with good variability. What is the nurse's priority action?

해설
With 8 cm dilation and complete effacement after only 45 minutes of labor, delivery is imminent in precipitous labor. The nurse's priority is to prepare for emergency delivery, as transfer may not be safe or timely. Other options are inappropriate: ambulation may not slow rapid labor, tocolytics are contraindicated, and transfer risks delivery en route.

심화 해설

Core Nursing Explanation Key Concept Analysis: This question tests the nurse's ability to recognize and prioritize care for a patient experiencing precipitous labor. Precipitous labor is defined as labor lasting less than 3 hours from onset of contractions to delivery. The key clinical data are a primigravida (first pregnancy) at term, with rapid progression to 8 cm cervical dilation in just 45 minutes. This indicates an abnormally rapid labor process. The fetal heart rate (FHR) is reassuring (140 bpm with good variability), so the immediate threat is not fetal distress but the high likelihood of an uncontrolled, rapid delivery.

Answer Rationale: Key Point! The nurse's priority is immediate preparation for delivery. At 8 cm dilation with 100% effacement in a primigravida with a history of only 45 minutes of labor, birth is imminent—likely within minutes. Attempting to transfer the patient at this stage poses a significant risk of delivery in an unprepared setting (e.g., hallway, elevator). The nurse must act within the scope of emergency preparedness by ensuring delivery supplies (e.g., sterile gloves, towels, bulb syringe, clamps) are ready and calling for additional help.

Distractor Analysis:
Watch out for confusion! Option 1 (Encourage ambulation) is incorrect because ambulation is typically used in early, latent-phase labor to promote progression. In precipitous labor, it will not slow contractions and may actually increase the risk of an unattended delivery.
Option 3 (Administer tocolytics) is incorrect and potentially dangerous. Tocolytic medications (e.g., terbutaline, nifedipine) are used to stop preterm labor. Administering them at 38 weeks to slow normal, albeit rapid, term labor is contraindicated. It can cause maternal side effects (tachycardia, hypotension) and is not indicated when delivery of a term fetus is the expected and safe outcome.
Option 4 (Transfer to L&D) is a common but incorrect reflex. While the labor and delivery (L&D) unit is the ideal location, the critical factor is time and safety. Transferring a patient who is 8 cm dilated, especially with a history of such rapid progression, risks delivery during transport without proper equipment or personnel, endangering both mother and newborn.

Related Concepts: This scenario highlights the principles of triage and emergency response. The nurse must assess the stage of labor (active phase, transition), evaluate fetal well-being, and make a rapid clinical judgment about the feasibility of transfer versus preparing for an emergency delivery in the current location. Understanding the normal stages of labor and the definition of precipitous labor is crucial.

Concept Summary
ConceptDescriptionNursing Implication
Precipitous LaborLabor lasting < 3 hours from start to delivery.Prepare for rapid, uncontrolled delivery. Focus on safety and emergency preparedness.
Stages of Labor: Transition Phase7-10 cm dilation. Intense contractions, urge to push may begin.Delivery is imminent. Provide constant support, coaching, and prepare for birth.
Fetal Heart Rate (FHR) MonitoringNormal range: 110-160 bpm. Good variability is reassuring.A reassuring FHR allows focus on managing the rapid labor process rather than immediate fetal resuscitation.
Emergency Delivery PreparednessHaving essential supplies ready: gloves, towels, bulb syringe, clamps, dry blankets.Priority action when birth is imminent and transfer is unsafe.

Side-by-Side Comparison!
ScenarioNursing PriorityRationale
Precipitous Labor (8 cm, rapid onset)Prepare for emergency delivery on site.Transfer is unsafe; birth is moments away.
Normal Active Labor (4-5 cm, gradual onset)Admit to L&D unit, provide comfort measures, continuous monitoring.There is adequate time for safe transfer and standard labor management.
Preterm Labor (< 37 weeks, regular contractions)Attempt to inhibit labor with tocolytics, administer steroids for fetal lung maturity.Goal is to delay birth to improve neonatal outcomes.

Anatomy, Physiology & Pharmacology Points
  • Cervical Dilation & Effacement: Dilation is the opening of the cervix (0-10 cm). Effacement is the thinning of the cervix (0-100%). At 8 cm and 100%, the cervix is almost fully open and paper-thin, indicating the final stage of the first stage of labor.
  • Tocolytic Medications: Drugs like Magnesium sulfate (CNS depressant, relaxes smooth muscle) or Nifedipine (calcium channel blocker) are used to relax the uterine muscle and stop contractions in preterm labor. They are not used to manage the speed of normal term labor.

Memory Tips
  • Acronym: R.A.P.I.D. for Precipitous Labor Management:
    Reassure and stay with the client.
    Assess FHR and maternal vital signs.
    Prepare emergency delivery kit.
    Imminent birth expected.
    Do NOT attempt transfer.
  • Think: "8 cm in 45 minutes? Don't move her, deliver here!" This emphasizes the critical decision point.

High-Frequency NCLEX Topics The NCLEX-RN frequently tests priority-setting in obstetric emergencies. Precipitous labor is a classic scenario that tests your ability to override the routine (transfer to L&D) with the safest immediate action (prepare for delivery). Always ask yourself: "Is there time to move the patient safely?" If the answer is no, your priority shifts to emergency preparedness in the current location.

Watch Out for Question Variations!
  • Symptom Focus: Instead of dilation, the question might describe "the client reports an uncontrollable urge to bear down" or "the fetal head is crowning." The correct action remains the same: prepare for immediate delivery.
  • Intervention Focus: A question might ask, "Which supply is most critical for the nurse to obtain first?" The answer would be sterile gloves or a bulb syringe to suction the newborn's airway.
  • Post-Delivery Focus: After managing the birth, questions may shift to priority post-delivery care: Promoting thermoregulation (drying, skin-to-skin), Assessing for hemorrhage (fundal massage), or Newborn resuscitation if needed.

임상 시나리오

Nursing Clinical Practice Guide Clinical Scenario: You are the triage nurse in a busy Emergency Department. A 24-year-old first-time mother is brought in by her partner. She is leaning over a chair, breathing heavily, and states, "The baby is coming right now!" She reports her water broke at home less than an hour ago, followed immediately by intense contractions. A quick visual assessment shows clear fluid on her clothes, and she is vocalizing loudly with each contraction.

Nursing Intervention Strategy:
  1. Immediate Assessment & Decision: Quickly help the patient onto a stretcher. Perform a sterile vaginal exam (if within scope and protocol) to check for dilation and station. If crowning is visible or dilation is advanced (≥8 cm), DO NOT LEAVE THE PATIENT. Use the call bell to alert the team: "I need help for an imminent delivery in Room 3!"
  2. Prepare the Environment: If possible, draw the curtain for privacy. Gather the emergency delivery kit (often called a "precip pack" or "OB stat pack"). Essential items include: sterile gloves and drapes, towels, a bulb syringe, umbilical cord clamps, scissors, a dry blanket, and a radiant warmer if available.
  3. Support During Delivery: Coach the mother not to push forcefully if possible to prevent perineal tearing, but allow her to follow her body's urges. As the head delivers, support the perineum. Check for a nuchal cord (cord around the neck). Suction the baby's mouth then nose with the bulb syringe immediately after delivery of the head.
  4. Immediate Newborn Care: Place the newborn on the mother's abdomen, dry vigorously with a warm towel to stimulate breathing and prevent heat loss, and cover with a dry blanket. Assign Apgar scores at 1 and 5 minutes. Delay cord clamping for at least 30-60 seconds if the newborn is vigorous.
  5. Maternal Care Post-Delivery: Administer oxytocin as ordered to promote uterine contraction and prevent postpartum hemorrhage. Monitor for signs of hemorrhage (firm fundus, lochia amount). Facilitate skin-to-skin contact and initiate breastfeeding if desired, which also helps uterine involution.
Patient Safety and Precautions:
  • Contraindication: Do not attempt to hold the baby's head back or delay the delivery process. Do not transfer the mother if birth is imminent.
  • Infection Control: Maintain sterile technique as much as possible during the delivery, especially when handling the cord.
  • Monitoring: Continuously monitor maternal vital signs and the FHR (if still in utero) or newborn's respirations and color post-delivery. Be vigilant for postpartum hemorrhage, the leading cause of maternal mortality.

Nursing Procedure & Medication Flow Emergency Delivery Procedure (Simplified): 1. Call for help (RN, MD, Respiratory Therapy if needed). 2. Don sterile gloves. 3. Support perineum as head crowns. 4. Guide head delivery, check for nuchal cord. 5. Suction mouth then nose. 6. Support delivery of shoulders and body. 7. Dry, stimulate, position head slightly down to drain secretions. 8. Clamp cord (two clamps, cut between). 9. Place infant skin-to-skin on mother's chest, cover. 10. Deliver placenta, check for completeness.
Medication Alert: Post-delivery, Oxytocin (Pitocin) is typically given IV or IM to contract the uterus. Monitor for side effects: headache, nausea, and water intoxication (with prolonged high-dose IV infusion) signaled by hyponatremia.

A Word from Your Senior Nurse "Nursing in obstetrics is about being prepared for anything, because babies don't read the textbooks on timing! This scenario is the perfect example of when your critical thinking must override standard procedure. In the moment, your calm presence and decisive action are everything. Remember your ABCs—Airway, Breathing, Circulation—but for two patients now. A quick, safe delivery and preventing heat loss in that newborn are your top goals. In your studies, always visualize the 'what if.' It turns knowledge into the kind of readiness that saves lives."

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