HP CHO -9 October 2022: Nuchal rigidity, fever and headache are classical signs of:

HP CHO -9 October 2022

Pathology & Genetics

Easy

Appeared in: HP CHO -9 October 2022

Explanation

Meningitis is the inflammation of the meninges, the protective layers covering the brain and spinal cord.
This inflammation directly causes the classic triad of symptoms: fever (a systemic response to infection), a severe headache (from meningeal irritation and increased pressure), and nuchal rigidity or a stiff neck (due to muscle spasms from the irritated meninges).
The simultaneous presence of these three specific symptoms is a strong indicator of meningitis and necessitates urgent medical evaluation.

Option B: Increased Intracranial Pressure (ICP) presents with a different set of signs known as Cushing's Triad.
Option C: Hypervolemia is a condition of fluid overload and does not present with neurological signs like nuchal rigidity.
Option D: Parkinson's Disease is a chronic, progressive neurodegenerative disorder with characteristic motor symptoms.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of the classic clinical triad of symptoms for Meningitis as background academic context rather than a clinical decision trigger.
Recognizing the meningitis triad is a critical nursing skill for early detection, as bacterial meningitis is a medical emergency that can lead to severe complications or death if not treated promptly.
A primary nursing responsibility for a patient with suspected bacterial meningitis is the immediate implementation of droplet precautions to prevent the spread of infection to others.
What if? If the patient presented with headache and nuchal rigidity but was afebrile (had no fever), the suspicion might shift towards a subarachnoid hemorrhage, which can also cause meningeal irritation without an infectious component, requiring a different diagnostic and treatment pathway.

How to Approach the Question

First, identify the key clinical signs presented in the question stem: 'Nuchal rigidity,' 'fever,' and 'headache.'
Recognize that this combination of three specific symptoms is often referred to as a 'classic triad' in medicine.
Systematically review the pathophysiology of each answer choice to see which one aligns with the triad.
Meningitis involves inflammation of the meninges, which directly explains headache and neck stiffness. Fever is the body's response to the underlying infection.
Contrast this with the classic signs of the other conditions: Cushing's triad for increased ICP, fluid overload signs for hypervolemia, and the motor triad for Parkinson's Disease.
This process of elimination confirms that the triad in the question is the hallmark of meningitis.

Concept Tested & Keywords

Concept Tested: Identification of the classic clinical triad of symptoms for Meningitis.
Stem keywords: Nuchal rigidity, fever, headache, classical signs
Lead-in keywords: BEST, MOST RELEVANT CLUE
Negative lead-in flag: false

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E6 Nelson Textbook of Pediatrics(2024) — Volume 2 p. 1568-1570

E6 Pathology- ROBBINS & COTRAN PATHOLOGIC BASIS OF DISEASE 10TH Ed p. 45-456