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Atypical Parkinsonism 

Atypical Parkinsonism
Chapter:
Atypical Parkinsonism
Source:
Video Protocols and Techniques for Movement Disorders
Author(s):

Brandon R. Barton MD, MS

and Deborah A. Hall MD, PhD

DOI:
10.1093/med/9780199948512.003.0008

Not all patients with Parkinsonian motor features of bradykinesia, rigidity, tremor, or postural instability have Parkinson disease (PD). A large number of rare conditions may present with the initial features of PD, but then develop atypical signs such as early and prominent autonomic failure, extraocular movement abnormalities, dementia, contractures, spasticity, bulbar signs (severe dysphagia and dysarthria), and frequent falls. The number of atypical Parkinsonian disorders does not allow for a specific protocol for every disease, and in most disorders, the PD protocol will cover the general features common to all of these diseases. However, there are a few situations in which key features of atypical Parkinsonism can be integrated into the videotape with specific protocols, including examination of eye movements and praxis.

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