MKSAP Neurology Review
MKSAP Neurology Review
MKSAP Neurology Review
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Movement disorders<br />
• BALANCE of Ach and DA<br />
– Increased Ach = Decreased DA<br />
– Increased DA = Decreased Ach<br />
• Excess DA leads to:<br />
– Psychosis<br />
– Chorea<br />
• Reduced DA leads to<br />
– Parkinsonism<br />
– Dystonia/Rigidity