Causes of Bradykinetic Movement Disorders - Differential Diagnosis Algorithm

Parkinson's Disease (TRAP):

• Resting Tremor

• Cogwheel Rigidity

• Akinesia/Bradykinesia

• Postural Instability

Drug-induced Parkinsonism:

• Neuroleptics

• Haloperidol

• Metoclopramide

• Prochlorperazine

• Amiodarone

• Verapamil

Progressive Supranuclear Palsy - Characteristics:

• Vertical Gaze Palsy

• Axial rigidity > limb rigidity

• + /- Tremor

• Bradykinesia

• Falling backwards

Multiple System Atrophy - Characteristics:

• Bradykinesia

• + /- tremor

• Cerebellar signs

• Postural Hypotension



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