Neurology Book

Approach

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Two Point Discrimination

Aka: Two Point Discrimination
  1. Indications
    1. Neuropathy (Carpal Tunnel Syndrome)
  2. Efficacy: Carpal Tunnel Syndrome (Median Nerve)
    1. Test Sensitivity: 33%
    2. Test Specificity: 100%
  3. Technique
    1. Test patient's ability to distinguish 2 points
    2. Test on the pulp of the digits at decreasing distance
  4. Interpretation
    1. Normal 2 point discrimination: 4-5 mm
    2. Increased 2 point discrimination suggests Neuropathy

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