NORCET 3 - 2022 (Shif…: What would be the priority intervention in a patient who is suffering from myasthenia gravis?

NORCET 3 - 2022 (Shift-1)

Medical & Surgical Nursing

Medium

Appeared in: NORCET 3 - 2022 (Shift-1)

Explanation

Myasthenia Gravis (MG) is an autoimmune disease characterized by muscle weakness that worsens with repetitive use and improves with rest. This is known as fatigability.
Rest allows for the replenishment of acetylcholine at the neuromuscular junction, which temporarily restores muscle strength.
Scheduling rest periods between activities is a primary energy conservation strategy. This helps the patient maintain functional ability and prevents the severe fatigue that can precipitate a myasthenic crisis (a medical emergency involving respiratory failure).

Option B: This is a life-threatening complication of MG (myasthenic crisis), not a nursing intervention. The nurse's role is to monitor for signs of respiratory compromise, not to induce it.
Option C: This is a pattern of weakness, not an intervention. Also, this pattern (from the head down) is not characteristic of MG, which typically presents with fluctuating weakness that often begins in the ocular (eye) muscles.
Option D: This is a severe symptom indicating a complete loss of muscle tone; it is not a therapeutic action performed by a nurse.

Clinical Relevance

Nursing practice connection: Use the key finding related to Priority nursing interventions for Myasthenia Gravis to guide bedside assessment, documentation, and the next nursing action.
Nurses are central to educating patients with MG on energy conservation techniques, which is crucial for maintaining independence and preventing exacerbations.
A critical nursing responsibility is the timely administration of anticholinesterase medications (e.g., pyridostigmine), especially 30-60 minutes before meals, to maximize the patient's ability to chew and swallow, thereby reducing the risk of aspiration.
What if? If a patient with MG develops a fever and cough, the priority shifts to aggressive respiratory assessment. Infection is a common trigger for myasthenic crisis, and the nurse must be vigilant for signs of impending respiratory failure, such as a weak cough, shortness of breath, and decreased oxygen saturation.

How to Approach the Question

First, identify the core task of the question, which is to select a 'priority intervention'. An intervention is an action taken to improve a patient's condition.
Next, evaluate each option to determine its nature. Is it an action (intervention), a symptom, a complication, or a diagnostic finding?
Recognize that 'Rest between activity' is a planned action that a nurse would implement or teach the patient. This makes it a valid intervention.
Analyze the other options: 'Respiratory depression', 'descending weakness', and 'flaccid paralysis' are all patient findings (symptoms or complications), not nursing actions.
By eliminating the options that are not interventions, you can confidently identify the correct answer.
Finally, confirm the choice by recalling that the hallmark of myasthenia gravis is muscle weakness that improves with rest, making energy conservation a top priority.

Concept Tested & Keywords

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E6 Nursing Brunner Adult Health 3SA Vol 2 Part 2 pp. 135-137, 137-139

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