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Related Experiment Videos

Functional weakness and sensory disturbance.

J Stone1, A Zeman, M Sharpe

  • 1Department of Clinical Neurosciences, University of Edinburgh, Western General Hospital, Edinburgh, UK. jstone@skull.dcn.ed.ac.uk

Journal of Neurology, Neurosurgery, and Psychiatry
|August 20, 2002
PubMed
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Diagnosing functional weakness requires careful interpretation of physical signs, like Hoover's sign, alongside the absence of organic disease indicators. Remember, patients may present with both functional and organic conditions.

Area of Science:

  • Neurology
  • Clinical Examination
  • Functional Neurological Disorders

Background:

  • Accurate diagnosis of functional weakness and sensory disturbances is crucial in clinical practice.
  • Distinguishing between functional and organic neurological disorders presents diagnostic challenges.
  • Physical examination findings play a significant role in evaluating these conditions.

Purpose of the Study:

  • To highlight the importance of positive physical signs in diagnosing functional neurological disorders.
  • To evaluate the reliability of specific physical signs, such as Hoover's sign, in functional weakness.
  • To emphasize the need for contextual interpretation of examination findings.

Main Methods:

  • Review of clinical diagnostic criteria for functional neurological disorders.

Related Experiment Videos

  • Analysis of the diagnostic utility of specific motor and sensory signs.
  • Emphasis on the integrated interpretation of clinical presentation.

    • Main Results:

    • Positive physical signs are as diagnostically important as the absence of organic disease.
    • Motor signs, particularly Hoover's sign, demonstrate higher reliability than sensory signs.
    • No single sign is definitive; interpretation within the overall clinical context is paramount.

    Conclusions:

    • Physical examination is essential for diagnosing functional weakness and sensory disturbances.
    • Hoover's sign is a key indicator but requires careful contextualization.
    • Co-occurrence of functional and organic disorders must be considered in patient assessment.