Early or Predominant Neurologic Sign Suggested Diagnoses Tremor Parkinson's disease Gait disorder Multiple-system atrophy, progressive supranuclear palsy (PSP) Dementia Alzheimer's disease, multi-infarct state, normal pressure hydrocephalus (NPH) Autonomic instability Murinary Multiple-system atrophy urgency, constipation, loss (Shy-Drager syndrome) of libido) Visual complaints (diplopia, PSP, multiple-system atrophy ophthalmoparesis) Ataxia Olivopontocerebellar atrophy (OPCA), multiple-system atrophy Apraxia NPH, senile
gait apraxia Peripheral neuropathy OPCA, multiple-system atrophy, spinocerebellar-nigral degeneration Pyramidal tract signs Multi-infarct state, multiple-system atrophy, cervical myelopath Adapted, with permission, from Stern MB, Hurtig HI, eds.