A nurse is caring for a 45-year-old patient with viral encephalitis. Which nursing intervention should be the highest priority?

Continuous neurological monitoring every 2 hours is the highest priority to detect early signs of increased ICP, such as altered consciousness or pupillary changes, which can lead to life-threatening complications like brain herniation. Other interventions like antibiotics (ineffective for viral infection), fluid management, or family support are important but secondary.

Core Nursing Explanation Key Concept Analysis: This question tests the ability to prioritize nursing interventions for a patient with viral encephalitis. The core pathophysiology involves inflammation of the brain parenchyma, which can lead to cerebral edema and increased intracranial pressure (ICP). The patient's symptoms—altered level of consciousness (LOC), fever, and photophobia—are classic signs of this inflammatory process and indicate potential neurological instability.

Answer Rationale: Key Point! In any neurological condition where the brain is inflamed or injured, the primary threat to patient survival is increased ICP and potential brain herniation. The most critical nursing action is therefore continuous, systematic neurological assessment to detect subtle changes early. Monitoring every 2 hours (or more frequently as ordered) using tools like the Glasgow Coma Scale (GCS) and checking pupillary response is a direct, life-saving intervention. Any deterioration (e.g., drop in GCS score, pupil asymmetry) requires immediate reporting to prevent catastrophic outcomes.

Distractor Analysis:
Watch out for confusion! Option ②, administering antibiotics, is incorrect because encephalitis in this case is viral. Antibiotics are ineffective against viruses; they treat bacterial infections. Antiviral medications (e.g., acyclovir) might be used, but the question specifies "antibiotics," making this a lower priority and potentially inappropriate.
Option ③, encouraging fluids, is important for managing fever and preventing dehydration, which can worsen cerebral perfusion. However, in encephalitis, fluid management must be cautious to avoid exacerbating cerebral edema. This intervention is secondary to direct neurological monitoring.
Option ④, providing family support, is a valuable component of holistic care but is a psychosocial intervention. It does not address the immediate, life-threatening physiological instability posed by the disease process.

Related Concepts: The principle of neurological assessment as a priority applies to many conditions: meningitis, traumatic brain injury (TBI), stroke, and brain tumors. Always remember the ABCs (Airway, Breathing, Circulation) with a neuro twist: in neuro patients, protecting the brain (neurological status) is paramount after ensuring a patent airway.

Nursing Clinical Practice Guide Clinical Scenario: You are the nurse on a medical-surgical unit. Your patient, Mr. Johnson, was admitted 12 hours ago with suspected viral encephalitis. He is lethargic, has a temperature of 38.8°C (101.8°F), and complains that the room light hurts his eyes.

Nursing Intervention Strategy: 1. Assessment: Perform a baseline neurological assessment immediately. Document GCS score (Eye opening: 3 to pain, Verbal: 4 confused, Motor: 6 obeys commands = GCS 13), pupil size and reactivity (PERRLA), vital signs (noting any Cushing's triad signs: hypertension, bradycardia, irregular respirations), and presence of headache or nausea. 2. Planning & Implementation: Set a timer to reassess neuro status every 2 hours as the priority. Cluster other care (vitals, turning, medication administration) around these assessments to minimize stimulation. Implement seizure precautions (pad side rails, have suction and airway equipment ready). Administer antipyretics for fever as ordered and provide a quiet, dimly lit environment for photophobia. 3. Evaluation & Communication: Compare each assessment to the previous one. If you note a decrease in GCS by 2 points or a new-onset pupil dilation, this is a neurological emergency. Call the provider immediately, prepare for possible stat CT scan, and anticipate orders for osmotic diuretics like Mannitol.

Patient Safety and Precautions: - Airway is Priority: A decreasing LOC can lead to loss of gag reflex and airway obstruction. Have suction equipment at the bedside and be prepared to assist with positioning or advanced airway management. - Fluid Balance: While hydration is needed, IV fluids are typically administered cautiously, often with isotonic solutions (e.g., 0.9% Normal Saline), to maintain cerebral perfusion pressure (CPP) without worsening edema. - Infection Control: Viral encephalitis itself is often not contagious through casual contact, but standard precautions are always used. If the cause is unknown, droplet or contact precautions may be initiated until diagnosis is confirmed. Nursing Procedure & Medication Flow Neurological Assessment (Neuro Check) Procedure: 1. Level of Consciousness: Use the Glasgow Coma Scale. Assess Eye Opening (4-spontaneous, 3-to speech, 2-to pain, 1-none), Verbal Response (5-oriented, 4-confused, 3-inappropriate words, 2-incomprehensible sounds, 1-none), Motor Response (6-obeys commands, 5-localizes to pain, 4-withdraws from pain, 3-flexion to pain, 2-extension to pain, 1-none). 2. Pupils: Check size (in mm), shape, equality, and reaction to light (PEARL or PERRLA). 3. Motor Function: Assess hand grips and foot pushes for equality. Observe for any involuntary movements or posturing. 4. Vital Signs: Monitor for trends, especially signs of increasing ICP.
Medication Administration: - Antivirals (e.g., Acyclovir): Often started empirically. Administer on time to maintain therapeutic levels. Monitor renal function (creatinine, BUN) as it can be nephrotoxic. Ensure adequate hydration during infusion. - Antipyretics (e.g., Acetaminophen): Administer for fever to reduce cerebral metabolic demand. - Osmotic Diuretics (e.g., Mannitol): Used for acute increased ICP. Administer via IV pump as a bolus. Monitor for electrolyte imbalances (especially hypernatremia) and fluid overload. A Word from Your Senior Nurse "In neuro nursing, you are the guardian of the 'computer' (the brain). A small change in your patient's neuro check is like a critical error message on a computer screen—it demands immediate attention. Don't just chart 'patient sleepy.' Quantify it with the GCS. That number tells the whole story. When you're studying, always ask yourself: 'What is the worst thing that could happen to this patient right now?' For encephalitis, it's brain herniation. Then ask, 'What can I do to detect that early?' The answer is always vigilant neuro monitoring. That's the thinking that saves lives and will help you ace priority questions on the NCLEX."