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MKSAP Neurology Review

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Movement disorders<br />

• Parkinson’s Disease [Idiopathic]<br />

– Too little DA in Substantia Nigra<br />

– FOUR cardinal features<br />

• Tremor<br />

• Rigidity<br />

• Bradykinesia<br />

• Postural instability<br />

– Should respond to DA agonists<br />

• Parkinson’s Plus syndromes do NOT respond to<br />

DA therapy

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