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Carpometacarpal dislocation
From WikEM
Contents
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
- Dislocates usually dorsally and associated with fracture(s)
Differential Diagnosis
Hand and finger dislocations
- Finger dislocations
- Thumb dislocations
- Hand dislocations
- Carpometacarpal dislocation
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
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.
Authors
Ross Donaldson, Ted Fan, Daniel Ostermayer, Neil Young, Jonathan Osgood
