🧠 Myasthenia Gravis – Assessing the Severity

Let’s understand this in a very simple way.

What is Myasthenia Gravis?
Myasthenia Gravis (MG) is an autoimmune disorder that causes weakness of voluntary muscles.

👉 The weakness increases with activity and improves with rest.

Common symptoms include:

• Drooping eyelids (ptosis)
• Double vision
• Difficulty swallowing
• Muscle weakness
• Breathing difficulty in severe cases

How do we know the extent or severity of Myasthenia Gravis?
The most important indicator is whether the respiratory muscles are affected.

✅ Correct Answer: (b) Respiratory distress

Why respiratory distress?
When weakness spreads to the muscles of breathing:

• The disease is more severe
• The patient may develop a myasthenic crisis
• Immediate medical attention may be required

👉 Therefore, respiratory involvement helps determine the extent and seriousness of the disease.

Why other options are not correct?

• (a) Ptosis → ❌ Common early symptom but does not indicate overall severity
• (c) Increased dopamine levels → ❌ Not related to Myasthenia Gravis
• (d) Muscle rigidity → ❌ More commonly associated with disorders like Parkinsonism

Important Nursing Point:
In Myasthenia Gravis, monitoring respiratory function is crucial because respiratory muscle weakness can become life-threatening.

Simple Exam Trick:
Myasthenia Gravis severity → Check breathing muscles → Respiratory distress

📌 Disclaimer: For exam preparation only. Follow neurological assessment guidelines in clinical practice.

💚 Exam Objective Nursing – Asha D
Concept clarity • Easy recall • Nursing success