AIIMS Delhi NO - 2017: Impairment in consciousness and cognition for a short time is?

AIIMS Delhi NO - 2017

Medical & Surgical Nursing

Easy

Appeared in: AIIMS Delhi NO - 2017

Explanation

Delirium is defined as an acute disturbance in attention, awareness, and cognition that develops over a short period (hours to days).
The condition's course is typically brief and fluctuates throughout the day, which matches the question's description of an impairment for a 'short time'.
It is considered a medical emergency as it is often a direct physiological consequence of an underlying medical condition, substance intoxication/withdrawal, or medication side effect.
Unlike other options, delirium is characterized by its acute onset and potential for reversibility once the underlying cause is treated.

Option B: Dementia is a chronic condition with a slow, insidious onset over months to years, not a short-term impairment.
Option C: LOC (Loss of Consciousness) describes a state of unresponsiveness. It is a symptom, not a syndrome of fluctuating cognitive impairment and inattention like delirium.
Option D: Parkinson's disease is a chronic, progressive motor disorder. While dementia can occur in later stages, it is not the primary feature and does not fit the description of a short-term cognitive impairment.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Differentiating acute versus chronic cognitive impairment syndromes as background academic context rather than a clinical decision trigger.
Recognizing delirium is a critical nursing skill. It is often the first and sometimes the only sign of a serious underlying medical problem, such as an infection (e.g., UTI), hypoxia, electrolyte imbalance, or drug toxicity.
Nurses should use assessment tools like the Confusion Assessment Method (CAM) to screen at-risk patients, especially the elderly, post-operative patients, and those in the ICU.
Nursing interventions for delirium focus on treating the underlying cause, managing the patient's safety (preventing falls and injuries), reorienting the patient, and providing a calm and stable environment.

How to Approach the Question

First, identify the key terms in the question: 'impairment in consciousness and cognition' and 'for a short time'.
The phrase 'short time' is the most critical clue, pointing towards an acute condition.
Evaluate each option based on its typical onset and duration.
Delirium is known for its acute/sudden onset and short, fluctuating course.
Dementia and Parkinson's are chronic, progressive conditions that develop over a long time.
LOC is a state of unresponsiveness, not a specific syndrome of cognitive impairment. Therefore, Delirium is the only option that fits the description of an acute, short-term cognitive impairment.

Concept Tested & Keywords

Concept Tested: Differentiating acute versus chronic cognitive impairment syndromes.
Stem keywords: impairment in consciousness, cognition, short time
Lead-in keywords: is

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