The hallmark of myasthenia gravis is fatiguability. Muscles become progressively weaker during periods of activity and improve after periods of rest. Muscles that control eye and eyelid movement, facial expressions, chewing, talking, and swallowing are especially susceptible. The muscles that control breathing and neck and limb movements can also be affected. Often the physical examination yields results within normal limits. The onset of the disorder can be sudden. Often symptoms are intermitt
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Myasthenia gravis symptoms
