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WHAT Test

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Other Names

Demonstration of the WHAT Test[1]
  • Wrist Hyperflexion and Abduction of the Thumb (WHAT) Test

Purpose


Description

  • The patient is seated or standing
  • The wrist is hyperflexed
  • The thumb abducted in full metacarpo-phalangeal (MP) and inter-phalangeal (IP) extension,
  • The patient resists against the examiner’s index finger
  • Positive test
    • Exacerbation of symptoms

Pathology


Evidence

De Quervains Tenosynovitis

  • Goubau et al[1]
    • Diagnostic Accuracy: 94%
    • Sensitivity: 99%
    • Specificity: 29%
    • LR+: 1.39
    • LR-: 0.04
    • PPD: 0.95
    • NPD: 0.67

See Also


References

  1. 1.0 1.1 Goubau, J. F., et al. "The wrist hyperflexion and abduction of the thumb (WHAT) test: a more specific and sensitive test to diagnose de Quervain tenosynovitis than the Eichhoff’s Test." Journal of Hand Surgery (European Volume) 39.3 (2014): 286-292.
Created by:
John Kiel on 28 September 2021 23:05:24
Authors:
Last edited:
25 May 2023 07:52:49
Category: