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Question
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A 43-year-old woman presents with the sudden onset of severe dystonic posturing of her right hand and forearm. It is painful and constant<br><br>Which of the following concomitant neurologic signs on examination might suggest a psychogenic or functional movement disorder?
Explanation
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Convergence spasm is a frequent sign of a functional neurologic disorder. Other findings that might suggest a functional etiology include give-away weakness, nonanatomic distributions of sensory loss, astasia-abasia, and excessive startle response.
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Reference
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Morgante F, Edwards MJ, Espay AJ. Psychogenic movement disorders. Continuum (Minneap Minn). 2013 Oct19(5 Movement Disorders)1383-96. doi 10.121201.CON.0000436160.41071.79. PMID 24092294 PMCID PMC4234133.
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Option 1
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Is Correct (Option 1):
Clonus
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Option 2
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Is Correct (Option 2):
Convergence spasm
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Option 3
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Is Correct (Option 3):
Diffuse spread of reflexes
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Option 4
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Is Correct (Option 4):
Nystagmus
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