Carpometacarpal dislocation: Difference between revisions

 
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==Background==
==Background==
[[File:Gray335.png|thumb|Ligaments of wrist. Posterior view.]]
*Also known as CMC joint
*Uncommon due to strong ligaments and insertions of wrist flexors/extensors
*Uncommon due to strong ligaments and insertions of wrist flexors/extensors


==Clinical Features==
==Clinical Features==
*Cause is usually result of high-sped mechanisms
*Cause is usually result of high-speed mechanisms
*Dislocates usually dorsally and associated with fracture(s)
*Usually dislocates dorsally with associated fracture(s)


==Differential Diagnosis==
==Differential Diagnosis==
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==External Links==
==External Links==
===Videos===
{{#widget:YouTube|id=8cY4oIAR-ow}}


==References==
==References==

Latest revision as of 16:59, 14 December 2022

Background

Ligaments of wrist. Posterior view.
  • Also known as CMC joint
  • Uncommon due to strong ligaments and insertions of wrist flexors/extensors

Clinical Features

  • Cause is usually result of high-speed mechanisms
  • Usually dislocates dorsally with associated fracture(s)

Differential Diagnosis

Hand and finger dislocations

Evaluation

  • X-ray

Management

Reduction

  • Traction and flexion with simultaneous longitudinal pressure on metacarpal base
  • If unable to reduce or remains unstable, immobilize with both dorsal and volar splints for urgent hand surgeon referral[1]

Disposition

  • Refer to hand surgeon

See Also

External Links

Videos

{{#widget:YouTube|id=8cY4oIAR-ow}}

References

  1. German C. Hand and wrist emergencies. In: Bond M, ed. Orthopedic Emergencies: Expert Management for the Emergency Physician. Cambridge: Cambridge University Press; October 31, 2013.