Neurology
Movement Disorders
Neurology

Movement Disorders

Parkinson, essential tremor, physiologic tremor, ataxias.

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Parkinson disease

  • TRAPS: Tremor (resting, pill-rolling), Rigidity, Akinesia/bradykinesia, Postural instability, Shuffling gait
  • Alpha-synuclein (Lewy body) inclusions
  • First-line: carbidopa-levodopa
  • Psychosis in PD → quetiapine (avoid worsening motor symptoms)
  • PT for balance training; pallidotomy or DBS for refractory cases

Essential tremor

  • Bilateral action tremor, improves with alcohol, no parkinsonian features
  • First-line: propranolol; primidone if asthma
  • DBS for severe refractory

Enhanced physiologic tremor

  • Fine symmetric high-frequency tremor + clear trigger (caffeine, stress, sleep deprivation, medications)
  • Remove triggers, reassure
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