Late decelerations indicate uteroplacental insufficiency and fetal hypoxia, requiring immediate notification of the healthcare provider for potential emergency delivery. Other options are supportive measures but do not address the urgency of this ominous pattern.
심화 해설
Clinical Judgment
The key to this question is understanding the clinical significance of Late Deceleration and determining the appropriate timing for Notify HCP!. When analyzing fetal heart rate patterns, you must apply the Category system. While a normal baseline (110 bpm) and moderate variability are positive factors, recurrent late decelerations are a warning sign that a Category II pattern can deteriorate into a Category III pattern. Late deceleration itself signifies uteroplacental insufficiency, which is a fundamental problem that cannot be corrected without immediate medical intervention. The nurse's priority is to identify and report the problem so the healthcare provider can comprehensively evaluate the fetal status (e.g., fetal scalp stimulation, blood gas analysis) and, if necessary, decide on an emergency delivery.
Memory Tip:
Remember late decelerations as "Late for Life-threatening" or "U for Uteroplacental problem." If the pattern is recurrent and does not respond to corrective measures (position change, oxygen administration, fluid bolus), reporting must be done immediately.
KR vs US
In Korea, the principle is to report to the physician immediately when late decelerations occur, but depending on the situation, preliminary actions (position change, oxygen administration) may be performed first and observed. However, in the NGN/US approach, recurrent late decelerations are clearly defined as a 'non-reassuring' element within a Category II pattern, a situation requiring immediate medical evaluation. Continuing observation based on the nurse's independent judgment is not appropriate.
임상 시나리오
Clinical Practice Guide
The standard protocol when a late deceleration is identified is as follows:
1. Immediately reposition the mother to the left lateral position (to reduce inferior vena cava compression).
2. Open intravenous fluids (hyperstimulation may be the cause).
3. Administer oxygen at 10L/min via a non-rebreather mask.
4. Immediately report to the healthcare provider (HCP).
5. Prepare for additional measures (e.g., tocolytic administration) or emergency delivery as directed by the medical team.
Caution:
In SATA (Select All That Apply) questions asking for the nurse's "initial actions," you must select all independent interventions performed before reporting to the physician (position change, oxygen administration, stopping/increasing IV fluids). However, if the question asks for the "priority action," as in this case, you must select the most urgent and critical action that addresses the risk: "immediately notify the medical team." The preceding interventions are performed concurrently with or immediately after the report.
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