Alarming value of GCS requiring ICU admission is?

NCL (MP) Nursing Officer - 2020

Medical & Surgical Nursing

Easy

Appeared in: NCL (MP) Nursing Officer - 2020

Explanation

A GCS score of 8 falls into the 'severe' brain injury category (scores 3-8).
This level of consciousness is critically associated with the loss of protective airway reflexes, such as coughing and gagging.
The clinical maxim "GCS less than 8, intubate" is a standard guideline that highlights the urgent need for endotracheal intubation and mechanical ventilation to prevent hypoxia and aspiration.
This level of advanced airway management and continuous monitoring necessitates admission to an Intensive Care Unit (ICU).

Option A: A GCS score of 15 is the maximum possible score, indicating a fully conscious and oriented patient. This is a normal finding.
Option B: A GCS score of 13 indicates a mild brain injury. While the patient requires observation, it is not considered an alarming value that automatically requires ICU admission.
Option C: A GCS score of 12 signifies a moderate brain injury. The patient requires close monitoring, but this score is not the critical threshold for intubation and ICU care.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Interpretation of Glasgow Coma Scale (GCS) scores and their clinical significance for ICU admission as background academic context rather than a clinical decision trigger.
Performing serial GCS assessments is a fundamental nursing responsibility for patients with neurological compromise. It allows for early detection of deterioration.
A drop of 2 or more points from the patient's baseline GCS is a critical change that requires immediate notification of the physician and preparation for intervention.
The phrase "Less than 8, intubate" is a critical memory aid for nurses and doctors in emergency and critical care settings.

How to Approach the Question

First, identify the core concept of the question, which is the clinical significance of the Glasgow Coma Scale (GCS).
Recall the severity classification based on GCS scores: Mild (13-15), Moderate (9-12), and Severe (3-8).
Understand that an 'alarming value' requiring ICU admission corresponds to a score indicating a severe injury where the patient's ability to protect their airway is compromised.
Identify the specific score that is the universally recognized threshold for severe brain injury and the need for intubation. This is a GCS of 8.
Compare this critical value to the options provided. 15 is normal, while 13 and 12 represent mild to moderate injuries. Only 8 fits the criteria for an alarming value requiring ICU care.

Concept Tested & Keywords

Concept Tested: Interpretation of Glasgow Coma Scale (GCS) scores and their clinical significance for ICU admission.
Stem keywords: GCS, alarming value, ICU admission
Lead-in keywords: is
Clinical cues: The care setting changes urgency, monitoring level, and the expected nursing action.
Negative lead-in flag: false

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E6 Medicine Harrison 22e Part 2 pp. 1475-1477, 196-198

E6 Guide to Mental Health & PSYCHIATRIC NURSING R Sreevani— Part 2 (pp 290-564 of 579) p. 196-198