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How is myasthenia gravis diagnosed?

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Your doctor will do a physical exam and look for things like droopy eyelids, difficulty holding your arms out at shoulder length for a reasonable length of time, or a weak grasp. Blood tests may reveal the presence of certain antibodies. Specialized tests use electricity to stimulate muscles, and at the same time, measure the strength of muscle contraction.

SOURCES: 

National Institute of Neurological Disorders and Stroke. 

Myasthenia Gravis Foundation of America.

UpToDate.

Reviewed by Sabrina Felson on March 21, 2019

SOURCES: 

National Institute of Neurological Disorders and Stroke. 

Myasthenia Gravis Foundation of America.

UpToDate.

Reviewed by Sabrina Felson on March 21, 2019

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What tests will you need if you have myasthenia gravis?

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