Myasthenia gravis

Definition

Myasthenia gravis is an autoimmune disease that causes muscle weakness.

Description

The name myasthenia gravis literally means "grave muscle weakness". Myasthenia gravis (MG) affects the neuromuscular junction, interrupting the communication between nerve and muscle, and thereby causing weakness. A person with MG may have difficulty moving their eyes, walking, speaking clearly, swallowing, and even breathing, depending on the severity and distribution of weakness. Increased weakness with exertion, and improvement with rest, is a characteristic feature of MG.

Genetic profile

Myasthenia gravis is not inherited directly nor is it contagious. It is usually considered sporadic, meaning that it occurs by chance....

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