Myasthenia Gravis

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Neurology Clinical reference

Myasthenia Gravis

MG is an autoimmune neuromuscular junction disorder (AChR antibodies). Fatigable weakness worsening with activity. Myasthenic crisis (respiratory failure) is a life-threatening emergency.

MG myasthenia gravis myasthenic crisis Lambert-Eaton differentiation
Terms
1
ICD-10
3
Evidence
5
Trials
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Latest evidence

Latest evidence

Core official overview

What this condition is

What is myasthenia gravis?Myasthenia gravis, sometimes called MG, is a chronic (long-lasting) disease that causes weakness in your voluntary muscles. The voluntary muscles are the ones that you can control. They include the muscles you use for:Eye and eyelid movementFacial expressionsChewingTalkingSwallowingBreathingMoving your arms and legsYou can also have weakness in other muscles. This weakness gets worse with a…

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Condition family & coding

Terms and documentation support

Condition matches & synonyms

Terms

Related diagnostic names, synonyms, and documentation wording that may appear in clinical references and charting.

Myasthenia gravis

ICD-10 quick links

Codes

For study support, terminology recognition, and documentation language.

P94.0 Transient neonatal myasthenia gravis G70.00 Myasthenia gravis without (acute) exacerbation G70.01 Myasthenia gravis with (acute) exacerbation
Common tests

Tests performed

AChR antibodies (85% positive) Anti-MuSK antibodies Edrophonium (Tensilon) test Repetitive nerve stimulation CT chest (thymoma screen) PFTs/NIF (crisis monitoring)
Common medications

Recognize the drug and the class

Pyridostigmine (Mestinon) — symptomatic Prednisone Azathioprine Mycophenolate mofetil Rituximab Eculizumab (generalized) IVIG or PLEX (crisis)
Related nursing diagnoses

NANDA diagnoses & care plans

Use these direct links to open nursing diagnoses and care-plan support related to Myasthenia Gravis.

Impaired Spontaneous Ventilation Impaired Swallowing Fatigue Activity Intolerance Anxiety
Recruiting clinical trials

Additional official research

Official education links

Plain-language study support

Useful for plain-language reinforcement and quick review.

Myasthenia Gravis What is myasthenia gravis?Myasthenia gravis, sometimes called MG, is a chronic (long-lasting) disease that causes weakness in your voluntary muscles. The voluntary muscles are the ones that you can control. They include the muscles you use for:Eye and eyelid movementFacial expressionsChewingTalkingSwallowingBreathingMoving your arms and legsYou can also have weakness in other muscles. This weakness gets worse with a… Thymus Cancer The thymus is a small organ in your upper chest, under your breastbone. Before birth and during childhood, the thymus helps the body make a type of white blood cell. These cells help protect you from infections. Cancer of the thymus is rare. You are more likely to get it if you have other diseases such as myasthenia gravis, lupus or rheumatoid arthritis. Sometimes there are no symptoms. Other times, thymus cancer ca… Neuromuscular Disorders Neuromuscular disorders affect your neuromuscular system. They can cause problems with:The nerves that control your musclesYour musclesCommunication between your nerves and musclesThese disorders can cause your muscles to become weak and waste away. You may also have symptoms such as spasms, twitching, and pain.Examples of neuromuscular disorders include:Amyotrophic lateral sclerosisMuscular dystrophyMyasthenia grav… Autoimmune Diseases What are autoimmune diseases?Your immune system protects you from disease and infection by attacking germs that get into your body, such as viruses and bacteria. Your immune system can tell that the germs aren't part of you, so it destroys them. If you have an autoimmune disease, your immune system attacks the healthy cells of your organs and tissues by mistake.There are more than 80 types of autoimmune diseases. Th…