Movement Disorders
Study guide:
Classification:
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Hypokinetic movements:
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Slow movement with increased tone.
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E.g: bradykinesia, and rigidity as in Parkinson’s disease, and Catatonia.
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Hyperkinetic movements:
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Excessive involuntary movements.
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Tremors: sustained sinusoidal oscillation of a body part.
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Chorea: excessive, irregular movements flitting from one body part to another (‘dance- like’) “check the picture”.
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Myoclonus: brief electric shock-like jerks.
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Hemiballismus: violent swinging movement on one side.
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Tics: stereotyped movements or vocalizations (can temporarily suppressed).
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Dystonia: sustained muscle spasms causing twisting movements and abnormal postures
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Location of the injury:
Huntington’s Disease:
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Please refer to the dementia overview document.
Hemiballismus:
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Most common cause is stroke.
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Affects the contralateral side.
Dystonia:
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Focal:
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Seen in adults.
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Rx: Botox injections.
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Generalized:
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Seen in children.
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Rx: Anticholinergic.
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References:
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Sattar, Husain A. Fundamentals Of Pathology. Chicago: Pathoma.com, 2011. Print.
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Le, Tao, Vikas Bhushan, and Herman Singh Bagga. First Aid For The USMLE Step 2 CK. New York: McGraw-Hill Medical, 2010. Print.
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Agabegi, Steven S, Elizabeth D Agabegi, and Adam C Ring. Step-Up To Medicine. Philadelphia: Wolters Kluwer/Lippincott Williams & Wilkins, 2013. Print.
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Cartoon, Editorial. 'Michael Jackson Cartoon'. Dreamstime. N.p., 2015. Web. 24 Sept. 2015.
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Walker, Brian R et al. Davidson's Principles And Practice Of Medicine. Print.
First author: Roaa Amer
Second author: Abdullah AlAsaad
Reviewed by: Abdulrahman AlNasser
Bayan Alzomaili
Format Editor: Adel Yasky
Website publisher: Bayan Alzomaili