A traumatic patient is brought to the ED, initial assessment includes eyes opens with painful stimulus, verbally respond with inappropriate words, minimal flexion of the left hand with painful stimulus in the right hand and unilateral pupils reactive and right pupil is dilated. What would be the possible GCS-P score of the patient?

1. A

   8

2. B

   10

3. C

   9

4. D

   7

Appeared in: NORCET 5 Prelims - Sept 2023 (Shift-1)

Explanation

Listen in Hindi

• The GCS-P score is a prognostic tool that combines the Glasgow Coma Scale (GCS) with a Pupil Reactivity Score (PRS).
• First, the GCS score is calculated. The patient's eye response to pain is 2, verbal response with inappropriate words is 3, and motor withdrawal from pain is 4. This gives a total GCS score of 2 + 3 + 4 = 9.
• Next, the Pupil Reactivity Score (PRS) is determined. The patient has one dilated (unreactive) pupil, which corresponds to a PRS of 1.
• Finally, the GCS-P score is calculated by subtracting the PRS from the GCS score: GCS-P = 9 - 1 = 8.

Why Other Options Were Wrong

• Option B: A score of 10 is incorrect. This might result from erroneously adding the Pupil Reactivity Score (PRS) to the GCS score (9 + 1 = 10) instead of subtracting it.
• Option C: A score of 9 represents the patient's GCS score (E2+V3+M4=9) without accounting for the pupillary abnormality. The question specifically asks for the GCS-P score, which requires subtracting the Pupil Reactivity Score (PRS).
• Option D: A score of 7 is incorrect. This could be calculated if the GCS score was mistaken as 8 (e.g., assuming abnormal flexion M3, for a GCS of 8) and the PRS was 1 (8-1=7), or if the GCS was 9 but both pupils were unreactive (PRS=2), leading to 9-2=7.

Related Visual

• Visual 1: Chart - A table detailing the Glasgow Coma Scale (GCS) with scores for Eye, Verbal, and Motor responses. This helps visualize the components used to arrive at the GCS score of 9.
• Visual 2: Diagram - An illustration showing pupillary assessment, comparing a normal reactive pupil to a dilated, unreactive pupil to explain the basis for the Pupil Reactivity Score (PRS).

Clinical Relevance

• Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing GCS-P Score Calculation in Trauma in acute care settings.
• The GCS-P score provides a more accurate prognosis for traumatic brain injury (TBI) patients than the GCS alone, as it incorporates pupillary response, a key indicator of brainstem function.
• A unilateral dilated pupil in a trauma patient is a critical sign of increasing intracranial pressure (ICP) and potential brain herniation, requiring immediate neurosurgical consultation and intervention.
• What if? If the patient's motor response was 'abnormal flexion' (decorticate posturing) instead of 'minimal flexion' (withdrawal), the motor score would be 3 instead of 4. The GCS would be 8, and the GCS-P would be 7 (8 - 1), indicating a more severe injury.

How to Approach the Question

• First, identify that the question asks for the 'GCS-P' score, which is different from the standard GCS.
• Break down the clinical scenario to assess each component of the Glasgow Coma Scale: Eye response, Verbal response, and Motor response.
• Assign the correct score to each GCS component based on the provided description: E=2 (to pain), V=3 (inappropriate words), M=4 (withdrawal).
• Sum the component scores to calculate the total GCS score (2 + 3 + 4 = 9).
• Next, assess the pupillary response. 'Right pupil is dilated' implies one unreactive pupil, which gives a Pupil Reactivity Score (PRS) of 1.
• Finally, apply the GCS-P formula: GCS-P = GCS - PRS. Substitute the calculated values: 9 - 1 = 8.

Concept Tested & Keywords

• Concept Tested: GCS-P Score Calculation in Trauma
• Stem keywords: traumatic patient, GCS-P score, eyes opens with painful stimulus, inappropriate words, flexion, unilateral pupils reactive, right pupil dilated
• Lead-in keywords: What would be the possible
• Clinical cues: The combination of neurological signs (level of consciousness, motor response) and a specific pupillary finding (unilateral dilation) points towards a composite scoring system like the GCS-P.

Question ID

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