Following a head injury, which among the following is the alarming symptom?

AIIMS Delhi NO-2016

Medical & Surgical Nursing

Hard

Appeared in: AIIMS Delhi NO-2016

Explanation

Discharge from the ear (otorrhea) after a head injury is a critical and alarming sign.
It strongly suggests a basilar skull fracture, which is a fracture at the base of the skull.
This type of fracture can tear the dura mater (the protective lining of the brain), causing cerebrospinal fluid (CSF) to leak out through the ear.
A CSF leak creates a direct pathway for bacteria to enter the brain, leading to a high risk of life-threatening meningitis, which makes it the most alarming symptom among the choices.

Option B: While abnormal respiratory patterns (like Cheyne-Stokes) are a sign of severe head injury, simple rapid breathing (tachypnea) is a non-specific symptom. It is more commonly caused by pain, anxiety, or hypoxia rather than a specific, severe neurological complication like a CSF leak.
Option C: The classic cardiovascular response to severely increased intracranial pressure (ICP) is bradycardia (a slow heart rate), which is a component of Cushing's triad (hypertension, bradycardia, and irregular respirations). Tachycardia (a fast heart rate) is more often associated with hypovolemic shock, pain, or anxiety.
Option D: Pupils that react to light are a normal and reassuring finding. It indicates that the pathways for the pupillary light reflex are intact. The alarming sign would be the opposite: non-reactive, fixed, or unilaterally dilated pupils.

Clinical Relevance

Nursing practice connection: Knowing Assessment of complications following a head injury, specifically identifying signs of a basilar skull fracture helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
A nurse's primary responsibility in a head injury case is vigilant neurological assessment to detect signs of deterioration early. Recognizing a CSF leak is a critical skill.
Immediate reporting of suspected CSF otorrhea or rhinorrhea is crucial for prompt neurosurgical consultation and initiation of prophylactic antibiotics to prevent meningitis.
Nursing care for a confirmed CSF leak includes elevating the head of the bed (unless contraindicated) to decrease ICP and reduce the leak, and instructing the patient not to blow their nose or cough forcefully.

How to Approach the Question

First, understand the question is asking for the most 'alarming' symptom after a head injury. This means you need to identify the sign that points to the most immediate, life-threatening complication.
Evaluate each option's significance in the context of head trauma.
Consider 'Discharge from ear'. Recall that this is a hallmark sign of a basilar skull fracture and CSF leak, which carries a high risk of meningitis. This is a severe complication.
Consider 'Tachypnea' and 'Tachycardia'. Recognize these as non-specific vital sign changes that can be caused by many factors (pain, anxiety, shock) and are not the classic signs of rising intracranial pressure (which is bradycardia).
Consider 'Reacting pupils'. Identify this as a normal, reassuring finding, not an alarming one. Alarming pupillary signs are non-reactivity or dilation.
Compare the options. The risk of meningitis from a CSF leak (indicated by ear discharge) is a more specific and severe neurological emergency than the other, more general or normal findings.

Concept Tested & Keywords

Concept Tested: Assessment of complications following a head injury, specifically identifying signs of a basilar skull fracture.
Stem keywords: head injury, alarming symptom
Lead-in keywords: which among the following
Negative lead-in flag: false

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