# Situation: A nurse from the Rural Health Unit (RHU) makes postnatal home visits to healthy term infants and their mothers during the first weeks after discharge from a lying-in clinic. On a home visit to a 6-week-old girl, the nurse notes four sleep-related findings. Which finding should the nurse address FIRST?

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=629430  
> language: ko  
> subject: Nursing Practice II — Maternal and Child Health Nursing

## 문제

Situation: A nurse from the Rural Health Unit (RHU) makes postnatal home visits to healthy term infants and their mothers during the first weeks after discharge from a lying-in clinic.

On a home visit to a 6-week-old girl, the nurse notes four sleep-related findings. Which finding should the nurse address FIRST?

## 보기

1. She sleeps in a cotton shirt and a knitted cap although the room is warm
2. The mother has not yet started offering a pacifier at naps and at bedtime
3. Tonight the father, who took a sedating cough syrup, plans to bed-share with her **✔ 정답**
4. She sleeps on her back in her own bassinet, placed in a separate room from the parents

**정답: 3**

## 해설

Each finding deserves teaching, but not all are equally urgent. Bed-sharing with an infant under 4 months is highest-risk when the adult has taken sedating medicine, alcohol, or drugs, because the adult may not rouse and can overlie or entrap the baby. This plan for tonight is corrected first; room-sharing and lighter clothing without a cap are then taught.

## 심화 해설

The priority finding is the father’s plan to bed-share tonight after taking a sedating cough syrup. This is an immediate, modifiable threat that places a 6-week-old infant at high risk for sleep-related death, and it must be corrected before the sleep period occurs.

Why this finding comes first

The core issue is not bed-sharing alone, but bed-sharing combined with an adult whose arousal is pharmacologically blunted. Sedating cough syrups commonly contain antihistamines, dextromethorphan, or alcohol, all of which reduce responsiveness and deepen sleep. Under these conditions, the protective reflexes that normally make a caregiver aware of an infant’s position or breathing are impaired.

An infant under 4 months cannot reliably reposition herself, clear her airway, or escape from an adult who rolls toward her. If the father is heavily sedated, he may not perceive that he has moved onto or against the baby, creating a risk of overlying, entrapment, or airway obstruction. The 2022 American Academy of Pediatrics guideline identifies an adult who is sedated, intoxicated, or excessively fatigued as a specific contraindication to bed-sharing, regardless of whether other protective factors are present [1][2].

Watch out! The urgency here is temporal: the unsafe event is planned for tonight. Other findings in the scenario involve ongoing but lower-acuity risks, whereas this one requires correction before the next sleep period.

Comparing the four findings

| Finding | Risk level | Reasoning |
| --- | --- | --- |
| Father plans to bed-share after sedating cough syrup | Highest — address first | Sedation impairs arousal; infant is 6 weeks old and cannot self-rescue; risk of overlying or suffocation is immediate [1][2] |
| Sleeps in cotton shirt and knitted cap in a warm room | Moderate — address after | Overheating is a recognized risk factor for sleep-related death; the cap should be removed and clothing adjusted to room temperature [1][3] |
| Sleeps on her back in her own bassinet in a separate room | Lowest — reinforce positives | Supine position and separate sleep surface are protective; however, room-sharing without bed-sharing is recommended for at least the first 6 months [1][2] |
| Pacifier not yet offered at naps and bedtime | Low — can introduce gradually | Pacifier use is associated with reduced SIDS risk, but the timing of introduction is less urgent than an imminent unsafe sleep plan [1][3] |

Why the other findings are not the first priority

The infant’s sleep position is already protective: she is supine and in her own bassinet. The separate-room arrangement is not ideal because room-sharing without bed-sharing is recommended for at least the first 6 months, but it is a chronic, lower-level risk that can be addressed after the immediate bed-sharing plan is stopped [1][2]. The cap in a warm room raises concern for overheating, which has been associated with increased SIDS risk, but this is not an emergency requiring intervention before tonight [1][3]. Pacifier introduction has a protective association, but delaying it for a few more days does not create the same level of danger as a sedated adult sharing a sleep surface [1][3].

Pathophysiology and mechanism

The triple risk model helps explain why this situation is so dangerous. SIDS and other sleep-related infant deaths are thought to occur when three factors converge: an intrinsically vulnerable infant, a critical developmental period, and an exogenous stressor [1][2]. A 6-week-old infant is within the peak vulnerability window for sleep-related death, and a sedated bed-sharing adult functions as a powerful exogenous stressor. The infant’s immature arousal mechanisms and inability to escape from an obstructed airway complete the triad.

Sedating medications blunt the adult’s arousal threshold, which is the very protective mechanism that normally prevents overlying during bed-sharing. Even a brief period of airway occlusion can be fatal in a young infant because hypoxic arousal responses are not fully developed [1].

Clinical application for the home visit

The nurse’s immediate action is to address the father’s plan directly and nonjudgmentally. The conversation should identify the specific danger — sedation plus bed-sharing — and offer a concrete alternative for tonight, such as placing the infant in her own bassinet in the parents’ room. The nurse can then use the remaining visit time to teach about room-sharing, avoiding overheating, and the protective role of pacifier use once breastfeeding is established [1][2][3].

Key point! When multiple unsafe sleep practices are present, triage by immediacy of harm. A planned unsafe event occurring within hours takes priority over ongoing but lower-acuity risks that can be corrected over days or weeks.References (research sources)

- [1]Sleep-Related Infant Deaths: Updated 2022 Recommendations for Reducing Infant Deaths in the Sleep Environment.GuidelineMoon RY, Carlin RF, Hand I, TASK FORCE ON SUDDEN INFANT DEATH SYNDROME AND THE COMMITTEE ON FETUS AND NEWBORN (2022) · DOI: 10.1542/peds.2022-057990

- [2]Evidence Base for 2022 Updated Recommendations for a Safe Infant Sleeping Environment to Reduce the Risk of Sleep-Related Infant Deaths.GuidelineMoon RY, Carlin RF, Hand I, TASK FORCE ON SUDDEN INFANT DEATH SYNDROME and THE COMMITTEE ON FETUS AND NEWBORN (2022) · DOI: 10.1542/peds.2022-057991

- [3]Sudden infant death syndrome prevention.Research articleJullien S (2021) · DOI: 10.1186/s12887-021-02536-z

## 임상 시나리오

Infant Safe Sleep: Sedated Bed-SharingCorrect the imminent threat before tonight's sleep period
The priority is the father's plan to bed-share after taking a sedating cough syrup. Sedating agents blunt arousal, impairing the protective awareness that normally prevents overlying or entrapment. An infant under 4 months cannot reliably reposition or clear the airway, making this an immediate, modifiable risk for sleep-related death.

Address this plan before the next sleep period. Ask the father not to bed-share tonight and offer a safe alternative: the infant should sleep supine in her own bassinet placed in the parents' room for room-sharing, which is protective and recommended for at least the first 6 months.

CautionSedated, intoxicated, or excessively fatigued adults are a specific contraindication to bed-sharing regardless of other protective factors. Do not defer this teaching; the unsafe event is planned for tonight.

## 핵심 개념

- **Bed-sharing** — Sleeping on the same surface as an infant; contraindicated when the adult is sedated, intoxicated, or excessively fatigued due to risk of overlying or entrapment.
- **Room-sharing** — Keeping the infant's sleep surface in the parents' room, close to the bed, for at least the first 6 months; recommended as a protective factor against SIDS.
- **Sedating cough syrup** — Over-the-counter preparation often containing antihistamines, dextromethorphan, or alcohol that blunts arousal and deepens sleep, increasing bed-sharing risk.
- **Overlying** — A fatal event in which an adult rolls onto or against an infant during shared sleep, obstructing the infant's airway or causing entrapment.
- **SIDS** — Sudden infant death syndrome; unexpected death of an infant under 1 year, with peak incidence between 2 and 4 months, associated with unsafe sleep environments.

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