# A nurse is assessing a patient's sleep patterns. Which assessment finding would be most concerning and require immediate follow-up? > source: MyMerci (mymerci.kr) > url: https://mymerci.kr/pages/nclex_q.php?qn_id=542664 > language: ko > subject: Fundamentals ## 문제 A nurse is assessing a patient's sleep patterns. Which assessment finding would be most concerning and require immediate follow-up? ## 보기 1. Patient reports stopping breathing during sleep as witnessed by spouse **✔ 정답** 2. Patient takes 30-45 minutes to fall asleep each night 3. Patient wakes up 2-3 times during the night to urinate 4. Patient feels tired despite getting 7-8 hours of sleep **정답: 1** ## 해설 Sleep apnea (witnessed breathing cessation) is most concerning as it indicates a serious condition requiring immediate evaluation for cardiovascular risks. Other options are common sleep complaints manageable with sleep hygiene. ## 심화 해설 Correct Answer: 1 The most concerning assessment finding requiring immediate follow-up is the patient's report of witnessed apneic episodes during sleep. This symptom is a hallmark clinical indicator of obstructive sleep apnea (OSA), a condition characterized by repetitive upper airway collapse leading to intermittent hypoxia and sleep fragmentation. Why This Finding is the Priority Witnessed apneas represent a direct observation of a potentially dangerous physiological event: the cessation of airflow despite ongoing respiratory effort. This is not merely a subjective complaint of poor sleep but an objective sign of a disorder with significant cardiovascular and neurocognitive consequences if left untreated. The clinical practice guideline emphasizes that the management of OSA in hospitalized adults is critical due to its association with adverse outcomes, necessitating prompt evaluation [1]. The pathophysiological stress of recurrent nocturnal hypoxia and hypercapnia triggers sympathetic surges, contributing to systemic hypertension, cardiac dysrhythmias, and increased myocardial oxygen demand. In a hospitalized or vulnerable patient, these effects can precipitate acute cardiac events, making immediate follow-up with diagnostic testing such as polysomnography essential. Analysis of Other Options Option 2: Patient takes 30-45 minutes to fall asleep each night. A sleep onset latency of 30-45 minutes describes initial insomnia. While this can be distressing and warrants a thorough assessment of sleep hygiene, psychological stressors, and circadian rhythm disorders, it does not carry the immediate life-threatening cardiorespiratory risk profile associated with witnessed apneas. The underlying mechanism often involves psychophysiological hyperarousal rather than structural airway collapse, making it a lower-acuity concern in the acute assessment hierarchy. Option 3: Patient wakes up 2-3 times during the night to urinate. Nocturia, waking 2-3 times to void, is a form of sleep maintenance disruption. While it can be a secondary symptom of OSA—caused by increased intra-abdominal pressure and atrial natriuretic peptide release during apneic events—it is a nonspecific finding. It is also commonly attributed to urological conditions, excessive evening fluid intake, or uncontrolled diabetes mellitus. As an isolated finding without reported breathing pauses, it does not represent the most critical immediate threat to airway patency and gas exchange. Option 4: Patient feels tired despite getting 7-8 hours of sleep. Non-restorative sleep with adequate sleep quantity is a classic symptom of poor sleep quality, often seen in OSA due to cortical arousals that terminate apneas and prevent deep, restorative sleep stages. Research confirms that OSA contributes to left ventricular dysfunction and abnormal global longitudinal strain, which can manifest as fatigue . However, this symptom is subjective and chronic in nature. The report of witnessed apnea (Option 1) is an objective, acute event that directly indicates the mechanism causing this fatigue and poses an immediate risk for nocturnal hypoxia, making it the priority for urgent intervention. Clinical Reasoning and Screening The nurse's assessment serves as a critical screening opportunity. A positive response to witnessed apneas is a high-sensitivity screening question that should trigger a standardized evaluation. Machine learning models developed to optimize OSA screening have identified such witnessed events as key predictive variables, demonstrating superior diagnostic accuracy compared to questionnaires that focus solely on general fatigue or sleep duration . The pathophysiological link between the apneic event and systemic effects is clear: each episode of airway obstruction leads to a transient drop in oxygen saturation, which, when occurring hundreds of times per night, initiates a cascade of endothelial dysfunction and oxidative stress. Furthermore, while risk factors like elevated body mass index mediate the relationship between inflammatory processes and OSA severity, the presence of witnessed apnea itself is a direct clinical sign that bypasses risk-factor inference and demands immediate objective investigation .References (research sources) - [1]Evaluation and management of obstructive sleep apnea in adults hospitalized for medical care: an American Academy of Sleep Medicine clinical practice guideline.GuidelineMehra R, Auckley DH, Johnson KG, Billings ME, Carandang G, Falck-Ytter Y, Khayat RN, Mustafa RA, Pena-Orbea C, Sahni AS, Sharma S, Patil SP. (2025) · DOI: 10.5664/jcsm.11864 ## 임상 시나리오 Clinical Practice Guide: Priority Response to Witnessed Apnea Immediate Nursing Actions - Validate the patient's report by obtaining a detailed history from the spouse or witness, focusing on the frequency, duration, and any associated signs like gasping or choking. - Elevate the head of the bed to 30-45 degrees to help maintain airway patency, especially if the patient is hospitalized or resting. - Initiate continuous pulse oximetry monitoring to detect nocturnal oxygen desaturations, setting alarm parameters per facility protocol. - Notify the primary care provider or hospitalist promptly, communicating the specific finding of witnessed apneas to expedite a referral for a sleep medicine consultation. Diagnostic and Monitoring Priorities - Anticipate an order for an attended in-laboratory polysomnography (PSG) as the definitive diagnostic study to quantify the apnea-hypopnea index and assess cardiac arrhythmias. - In the interim, use a validated screening tool like the STOP-Bang questionnaire to stratify the patient's risk for moderate-to-severe OSA. - Monitor vital signs closely, with particular attention to blood pressure trends, as untreated OSA is a secondary cause of refractory hypertension. - Assess for signs of right-sided heart failure (e.g., jugular venous distension, peripheral edema), which can develop secondary to chronic hypoxic pulmonary vasoconstriction. Safety and Interim Management - Place the patient on fall precautions, as excessive daytime sleepiness from OSA significantly increases the risk of accidents. - Advise the patient to avoid sleeping in a supine position; positional therapy (lateral recumbency) can reduce the frequency of apneic events while awaiting definitive treatment. - Educate the patient and family that sedatives, opioid analgesics, and alcohol must be strictly avoided, as these agents depress respiratory drive and worsen airway collapsibility. - If the patient uses a prescribed positive airway pressure (PAP) device at home, verify its settings and ensure it is brought to the bedside for immediate use during any sleep period. ## 핵심 개념 - **Obstructive Sleep Apnea (OSA)** — A disorder characterized by repetitive upper airway collapse during sleep, leading to intermittent hypoxia, sympathetic surges, and increased cardiovascular risk. - **Witnessed Apnea** — An objective observation by another person of a patient's cessation of breathing during sleep, a hallmark sign of OSA requiring prompt diagnostic evaluation. - **Polysomnography** — The gold standard diagnostic test for sleep disorders, monitoring physiological parameters such as airflow, respiratory effort, and oxygen saturation during sleep. - **Sleep Onset Latency** — The length of time it takes to transition from full wakefulness to sleep; a prolonged latency is a key feature of initial insomnia. - **Nocturnal Hypoxia** — A state of low blood oxygen levels occurring during sleep, commonly resulting from apneic events in OSA and contributing to cardiovascular strain. ## 같은 주제 문제 - [A nurse is assessing a patient's sleep patterns. 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