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Terms in this set (11)
Myasthenia Gravis Definition
Sporadic, progressive weakness and abnormal fatigability of skeletal muscle, usually those innervated by the cranial nerves.
What body parts does MG affect most?
Face, lips, tongue, neck and throat.
Autoimmune disorder affecting transmission of nerve impulses at the myoneural junction.
What neurotransmitter is blocked and how?
Antibodies develop that block or weaken the release of the neurotransmitter ACETYLCHOLINE.
Myasthenia Gravis general S & Sx
Unpredictable with frequent exacerbations and remissions....
Muscle fatigue and muscle weakness
Can progress to paralysis
Muscles strongest in the morning
Sx increase with exercise, stress, prolonged exposure to heat/cold, menses and infections.
Ptosis, weak eye closure, diplopia - may adjust by tipping their head back
drooping of the upper eyelid caused by muscle paralysis and weakness
visual impairment in which an object is seen as two objects
Other specific Sx
Blank, expressionless face
Nasal voice, difficulty chewing or swallowing
May have difficulty breathing
Physical Therapy Treatment
Focus on return of function.
Exercise, energy conservation, ADL, gait.
Schedule PT in the am... Do not over fatigue.
Decrese stress and excessive heat
Surgical removal of the thymus
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