What is myasthenia gravis characterized by?
Myasthenia gravis (my-us-THEE-nee-uh GRAY-vis) is characterized by weakness and rapid fatigue of any of the muscles under your voluntary control. It’s caused by a breakdown in the normal communication between nerves and muscles.
What is the general characterization of MG?
The presentation of MG has the following characteristics: The clinical hallmark of MG is the presence of fluctuating fatigable muscle weakness that worsens with activity and improves on rest. 50% to 85% of patients with MG present with ocular symptoms with or without generalized weakness.
What are the most common early symptoms of myasthenia gravis?
Myasthenia gravis most commonly affects muscles that control eye and eyelid movement, so the first symptoms you notice may be eyelid drooping and/or blurred or doubled vision. Most will go on to develop weakness in other muscle groups within one or two years.
What is mild myasthenia gravis?
“Myasthenia gravis” literally means “grave muscle weakness,” but many cases are mild, and life expectancy is normal. The muscles around the eyes tend to be affected first, causing the eyelids to droop.