new_n_lost
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A 22-year-old college student presents with double vision while reading. Her visual acuity is normal. Examination reveals right sided partial ptosis with a normally reacting pupil. What is the diagnosis?
a. Motor neuron disease.
b. Myotonia dystrohica.
c. Myasthenia gravis.
d. Facioscapulohumeral muscular dystrophy.
e. Dermatomyositis.
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| Aashi
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c. Myasthenia gravis
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| me007
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d? asymmetrical, worse with muscle use (reading)
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| rock
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i go for C but not absolutely sure...but double vision while reading made me choose MG
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| oldkidontheblock
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C. But should be bilateral?
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| mytime
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WINKING?! If D. is what me07 says..i'd go with that....can't be mysthanenia. Hey how about A?
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| oldkidontheblock
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MG. Further looked up on net
[left]Drooping of one or both eyelids (ptosis) [/left] [left]Blurred or double vision (diplopia) due to weakness of the muscles that control eye movements [/left] [left]http://www.4woman.gov/faq/mgravis.htm[/left]
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| mytime
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YO OLD U right..............
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| new_n_lost
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Facioscapulohumeral Dystrophy :-Shoulder weakness is the presenting symptom in more than 82% of patients with symptoms.Scapular fixation is weak from the onset. Winging of the scapula is the most characteristic sign. The scapula is placed more laterally than normal. It moves upwards in shoulder abduction.
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| new_n_lost
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Myasthenia Gravis :- Of the patients, 75% initially complain of ocular disturbance, mainly ptosis and diplopia. Eventually, 90% of patients with MG develop ocular symptoms. Ptosis may be unilateral or bilateral, and it may shift from eye to eye.
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| keepgoing
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