Myasthenia Gravis Support Group
Myasthenia gravis (MG) is a neuromuscular disease leading to fluctuating muscle weakness and fatiguability. The hallmark of myasthenia gravis is muscle weakness that increases during periods of activity and improves after periods of rest. Although myasthenia gravis may affect any voluntary muscle, muscles that control eye and eyelid movement, facial expression, and...
The Osserman classification of MG consists of four grades:
Grade I, focal disease (restricted to the ocular muscle);
grade II, generalized disease that is either mild (IIa) or moderate (IIb);
grade III, acute severe generalized disease with respiratory failure; and
grade IV, severe generalized disease with respiratory
More details at https://emedicine.medscape.com/article/1171206-overview
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