A patient with myasthenia gravis has an episode of epistaxis the most important nursing priority in this pati… - PGIMER Sangrur NO - 2023

PGIMER Sangrur NO - 2023

Medical & Surgical Nursing

Hard

Appeared in: PGIMER Sangrur NO - 2023

Explanation

Myasthenia Gravis (MG) frequently involves bulbar muscle weakness, which impairs the patient's ability to swallow and their gag reflex.
Epistaxis (a nosebleed) can cause blood to drain into the nasopharynx and throat.
The combination of bulbar weakness and blood in the pharynx creates a high risk of aspiration, where blood enters the lungs.
According to the Airway, Breathing, Circulation (ABC) model of prioritization, maintaining a patent airway is the highest and most immediate priority to prevent respiratory compromise.

Option A: While MG can affect respiratory muscles, the immediate danger from a nosebleed is aspiration (an airway problem), not the mechanics of breathing itself. Airway must be cleared before breathing can be properly addressed.
Option B: Nutritional status is a chronic, long-term management issue in MG due to dysphagia. It is not the priority during an acute medical event like epistaxis.
Option D: Poor tissue perfusion relates to circulation. This would only become the priority if the epistaxis was so severe that it led to significant blood loss and hypovolemic shock, which is less common and secondary to the immediate airway risk.

Clinical Relevance

Nursing practice connection: Use the key finding related to Prioritization of nursing care in a patient with Myasthenia Gravis and an acute complication to guide bedside assessment, documentation, and the next nursing action.
Nurses must always prioritize airway assessment in patients with known neuromuscular disorders like MG, as their ability to protect their own airway is compromised.
Immediate nursing actions for this patient would include positioning them upright with the head tilted forward to help drain blood out of the nose instead of down the throat, and having suction equipment ready at the bedside.
What if? - If the patient had epistaxis but no history of MG, the priority would still be airway management (e.g., positioning). However, the level of concern for aspiration would be lower, assuming a normal gag reflex. The presence of MG dramatically elevates the risk and urgency.

How to Approach the Question

First, identify the patient's underlying chronic condition: Myasthenia Gravis (MG). Recall its primary pathophysiology: autoimmune destruction of acetylcholine receptors, leading to muscle weakness.
Recognize the key complication of MG relevant here: weakness of the bulbar muscles, which control swallowing and the gag reflex.
Next, identify the acute event: epistaxis (nosebleed).
Apply the ABC (Airway, Breathing, Circulation) framework for prioritization. Airway is always first.
Connect the chronic condition to the acute event: The patient's weakened gag reflex (from MG) makes them unable to protect their airway from the blood (from epistaxis), creating a high risk of aspiration.
Therefore, the nursing diagnosis that addresses this immediate, life-threatening risk ('Airway clearance') is the highest priority.

Concept Tested & Keywords

Concept Tested: Prioritization of nursing care in a patient with Myasthenia Gravis and an acute complication.
Stem keywords: myasthenia gravis, epistaxis, nursing priority
Lead-in keywords: most important
Clinical cues: The combination of a chronic neuromuscular disease (Myasthenia Gravis) affecting swallowing and an acute event (epistaxis) creating a fluid obstruction risk is the key to this question.

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