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Which muscles are affected by myasthenia gravis?

Updated: 9/7/2023
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GaleEncyofNeuroDis

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13y ago

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Muscles that control eye, eyelid movements, facial expression, chewing, talking, swallowing are often affected. The muscles that control breathing and neck and limb movements may also be involved.

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Wiki User

13y ago
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Wiki User

13y ago

MG affects "voluntary" muscles, which are those muscles under conscious control responsible for movement. It does not affect heart muscle or the "smooth" muscle found in the digestive system and other internal organs

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Q: Which muscles are affected by myasthenia gravis?
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An autoimmune disease that is characterized by weakness and an abnormally rapid fatigue of muscles is gravis?

Myasthenia gravis


How does the edrophonium chloride test work when diagnosing myasthenia gravis?

In people with myasthenia gravis involving the eye muscles, the drug will briefly relieve weakness.


Which chronic autoimmune disease produces serious weakness of the voluntary muscles?

Myasthenia gravis is an autoimmune disease marked by muscle weakness and fatigue. The symptoms are activated when the immune system produces antibodies that interfere with the transmission of nerve signals to skeletal (voluntary) muscle. As a result, the affected muscles cannot contract normally.


What is a neuromuscular disorder characterized by relapsing weakness of skeletal muscles?

Myasthenia gravis


Is myasthenia gravis a group of inherited muscle disorders that cause muscle weakness without affecting the nervous system?

Myasthenia gravis is a neuromuscular disorder involving the muscles and the nerves that control them.


Which groups of people are affected by myasthenia gravis?

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What is the single fiber electromyogram test to diagnose myasthenia gravis?

SFEMG is the most sensitive clinical test of neuromuscular transmission and shows increased jitter in some muscles in almost all patients with myasthenia gravis. Jitter is greatest in weak muscles.


Can someone 14 years old get myasthenia gravis?

Yes. I was diagnosed with Myasthenia Gravis at age 15.


What is transient neonatal myasthenia gravis?

Transient neonatal myasthenia gravis occurs in infants born from mothers who have MG.


What is a chronic autoimmune disorder in which the motor neurons fail to transmit impulses to the muscles to cause muscle contractions?

A chronic autoimmune disease that affects the neuromuscular junction is myasthenia gravis. It leads to fluctuating muscle weakness and fatigue.


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Although polyvinyl chloride (PVC) is associated with some health effects, through Phthalates, they are usually either breast cancer and endocrine disruptions. Myasthenia Gravis is when the neurotransmitter acetylcholine is blocked in the eye, causing eye muscles to become relaxed and either partially or completely uncontrollable. It is unlikely that PVC cause myasthenia gravis.


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