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- | *Cause is usually result of high-speed mechanisms | ||
* | *Usually dislocates dorsally with associated fracture(s) | ||
==Differential Diagnosis== | ==Differential Diagnosis== | ||
{{Hand and finger dislocation types}} | {{Hand and finger dislocation types}} | ||
== | ==Evaluation== | ||
*X-ray | |||
==Management== | ==Management== | ||
===Reduction=== | ===Reduction=== | ||
*Traction and flexion with simultaneous longitudinal pressure on metacarpal base | *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<ref name="Hand and wrist emergencies">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.</ref> | |||
==Disposition== | ==Disposition== | ||
| Line 22: | Line 26: | ||
==External Links== | ==External Links== | ||
===Videos=== | |||
{{#widget:YouTube|id=8cY4oIAR-ow}} | |||
==References== | ==References== | ||
<references/> | <references/> | ||
[[Category: | |||
[[Category:Orthopedics]] | |||
Latest revision as of 16:59, 14 December 2022
Background
- 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
- Finger dislocations
- Thumb dislocations
- Hand 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
- ↑ 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.