# A nurse is caring for a 65-year-old client with a history of stroke who is now unconscious following a fall. Which assessment finding should receive the nurse's immediate attention?

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> subject: Adult Health

## 문제

A nurse is caring for a 65-year-old client with a history of stroke who is now unconscious following a fall. Which assessment finding should receive the nurse's immediate attention?

## 보기

1. Irregular breathing with pauses in respiration **✔ 정답**
2. Elevated blood pressure reading of 160/90
3. Fever with temperature of 101.2°F
4. Low urine output at 30 mL per hour

**정답: 1**

## 해설

Irregular respiratory patterns with apnea indicate brainstem involvement and require immediate attention to prevent respiratory arrest. Other findings like hypertension, fever, or decreased urine output are concerning but less immediately life-threatening.

## 심화 해설

Understanding the Priority: Airway and Breathing in the Unconscious Patient

For a client with a history of stroke who is now unconscious after a fall, the immediate priority is to assess and manage life-threatening conditions using the ABC (Airway, Breathing, Circulation) framework. An altered level of consciousness, particularly unconsciousness, often leads to a loss of protective airway reflexes and central respiratory depression. The finding of irregular breathing with pauses in respiration is a direct indication of a compromised airway and ineffective breathing pattern, which can rapidly progress to hypoxia, hypercapnia, and cardiac arrest. In the context of a recent fall and a history of stroke, this irregular pattern could signal increasing intracranial pressure affecting the brainstem's respiratory centers or a new neurological event. The acute management of stroke and other neurological emergencies hinges on maintaining cerebral perfusion and oxygenation; without a patent airway and adequate ventilation, irreversible brain damage occurs within minutes [1]. This makes the respiratory pattern the most time-sensitive and critical finding to address.

Analysis of Other Findings

The other assessment findings are significant and require prompt intervention, but they are secondary to the immediate threat of respiratory failure.

- Elevated blood pressure (160/90): This is a common finding after a stroke and can be a physiological response to maintain cerebral perfusion pressure. In the hyperacute phase, permissive hypertension is often allowed, and aggressive lowering is avoided unless it exceeds specific thresholds, as a sudden drop could worsen cerebral ischemia. It does not pose the same immediate, life-ending threat as apnea.

- Fever (101.2°F): Fever increases cerebral metabolic demand and can exacerbate neurological injury, making it an important finding to manage. However, the danger from hyperthermia develops over a longer timeframe compared to the seconds-to-minutes threat of apnea.

- Low urine output (30 mL/hr): This oliguria could indicate dehydration, acute kidney injury, or a syndrome of inappropriate antidiuretic hormone (SIADH), which is possible after a neurological event. While it requires investigation and fluid management, it is a concern for the coming hours, not the immediate moment when the patient's breathing is ceasing.

The foundational principle in all neurological emergencies is the stabilization of airway and breathing to prevent secondary brain injury from hypoxia, a concept that overrides other physiological derangements in the initial moments of assessment [1].References (research sources)

- [1]Neurological emergencies: acute stroke.Research articleDavenport R, Dennis M. (2000) · DOI: 10.1136/jnnp.68.3.277

## 임상 시나리오

Unconscious Patient: Immediate ABC AssessmentPrioritizing Airway and Breathing in Neurological Emergencies
In any unconscious patient, especially post-fall with a stroke history, the ABC (Airway, Breathing, Circulation) framework is the non-negotiable first step. An irregular breathing pattern with apneic pauses signals a compromised airway and failing respiratory drive, which can lead to irreversible brain damage from hypoxia within minutes.

This breathing pattern may indicate Cushing's triad, a late sign of increased intracranial pressure (ICP) affecting the brainstem. The immediate nursing action is to ensure airway patency and adequate ventilation, often starting with a jaw-thrust maneuver and preparing for assisted ventilation.

CautionDo not be distracted by hypertension or fever. While important, they are secondary to the immediate threat of respiratory arrest. A systolic BP of 160 may be a compensatory mechanism to maintain cerebral perfusion and should not be the first priority treated.

## 핵심 개념

- **ABC framework** — Airway, Breathing, Circulation; the systematic approach to identifying and managing life-threatening conditions in emergency care.
- **Cheyne-Stokes respiration** — An abnormal pattern of breathing characterized by progressively deeper, and sometimes faster, breathing followed by a gradual decrease that results in a temporary stop in breathing called an apnea.
- **Cushing's triad** — A set of three primary signs indicating increased intracranial pressure: bradycardia, irregular respirations, and widened pulse pressure (hypertension).
- **Cerebral perfusion pressure (CPP)** — The net pressure gradient causing cerebral blood flow to the brain; calculated as Mean Arterial Pressure minus Intracranial Pressure.
- **Neurogenic fever** — A non-infectious elevation in body temperature caused by damage to the hypothalamus, the brain's thermoregulatory center, often seen after a stroke.

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