A nurse is conducting a neurological assessment on a 68-year-old patient admitted with altered mental status. Which assessment finding would be most concerning and require immediate intervention?

1 Patient responds to verbal stimuli but appears confused about time and place
2 Patient demonstrates mild tremor in both hands when extending arms
3 Patient's pupils are equal, round, and reactive to light but sluggish
4 Patient exhibits decerebrate posturing when painful stimuli are applied ✓ 정답

해설

Decerebrate posturing indicates severe brainstem dysfunction and is a neurological emergency requiring immediate intervention. Other findings like confusion, tremor, or sluggish pupils are concerning but do not represent the same level of imminent life threat.

같은 주제 다음 문제A nurse is conducting a neurological assessment on a 68-year-old patient admitted with alt…

심화 해설

Clinical Judgment This question assesses the ability to identify the most critical Notify HCP! sign during a neurological evaluation. The key is to find the finding that requires 'immediate intervention'. The Critical Cue is an abnormal motor response to painful stimuli. Decerebrate posturing signifies severe damage to the brainstem, and it is a Notify HCP! signal indicating that life-sustaining functions like breathing and blood pressure regulation are at risk. Other options may be abnormal, but they do not directly suggest such rapid neurological deterioration and risk of death. Memory Tip: A tip to remember the severity of motor responses: Decorticate = hands flex toward the chest → midbrain or higher damage. Decerebrate = arms and legs extend → brainstem damage. Decerebrate is more serious; associate "Decerebrate = Danger". KR vs US: In both Korea and the US, decerebrate posturing is recognized as an immediate emergency. The difference may lie in the reporting system and the specifics of the initial response. The US NGN emphasizes the process of quickly identifying these 'red flags' and reporting them systematically (e.g., SBAR communication).

임상 시나리오

Clinical Practice Guide When evaluating the response to painful stimuli (e.g., sternal rub, nail bed pressure), observe the following: 1) local response (normal), 2) withdrawal response, 3) decorticate posturing (arm flexion, leg extension), 4) decerebrate posturing (extension of all limbs), 5) no response. If decerebrate posturing is found: 1) immediately check ABCs (airway, breathing, circulation), 2) Notify HCP! (using SBAR), 3) monitor vital signs, especially breathing pattern and blood pressure, 4) prepare for further diagnostics (e.g., CT) and interventions (e.g., hyperventilation, osmotic diuretics). Caution: In SATA (Select All That Apply) questions asking for "findings that require immediate reporting," decerebrate posturing along with loss of pupillary response, sudden change in breathing pattern (e.g., Kussmaul breathing), and sudden drop in GCS score may also be included in the correct answers. 'Confusion' alone is not considered an immediate life threat.

핵심 개념

Decerebrate Posturing — Decerebrate rigidity. An abnormal posture in which both the upper and lower limbs extend and internally rotate in response to painful stimuli. It indicates damage to the midbrain or upper pons and is a sign of severe brainstem dysfunction.
Altered Mental Status — Altered mental status. A term encompassing a broad range of impairments in consciousness level (drowsiness, coma), cognitive function (confusion, delirium), or attention.
Brainstem Dysfunction — Brainstem dysfunction. This refers to an abnormality in the function of the brainstem, which is responsible for essential life-sustaining functions such as breathing, heartbeat, blood pressure regulation, and consciousness.
Pupillary Light Reflex — Pupillary light reflex. A reflex where the pupil constricts when light is shone on it. It is important for assessing the integrity of the third cranial nerve (oculomotor nerve) and the visual pathway.
Painful Stimuli — Painful stimuli. Standardized stimulation methods applied to assess motor responses in patients with decreased consciousness, such as sternal rubbing, nail bed pressure, and temporal pressure.

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A nurse is conducting a neurological assessment on a 68-year-old patient admitted with altered mental status. Which assessment finding would be most concerning and require immediate intervention?

심화 해설

임상 시나리오

핵심 개념

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