Jammed finger
Background
- Axial loading force leads to prolonged swelling of PIP
Differential Diagnosis
Hand and finger injuries
- Distal finger
- Finger amputation
- Fingertip laceration
- Nail avulsion
- Nailbed laceration
- Subungual hematoma
- Other finger/thumb
- Boutonniere deformity
- Mallet finger
- Jammed finger
- Jersey finger
- Trigger finger
- Ring avulsion injury
- De Quervain tenosynovitis
- Infiltrative tenosynovitis
- Metacarpophalangeal ulnar ligament rupture (Gamekeeper's thumb)
- Hand
- Wrist
- Drummer's wrist
- Ganglion cyst
- Lunotriquetral ligament instability
- Scaphoid fracture
- Extensor digitorum tenosynovitis
- Compressive neuropathy ("bracelet syndrome")
- Intersection syndrome
- Snapping Extensor Carpi Ulnaris
- Vaughn Jackson syndrome
- General
Evaluation
- X-ray negative
- Volar plate sprain
- No weakness
- Treatment: buddy tape
- Central slip injury
- mild extensor weakness
- may become Boutonniere
Management
- Dorsal Finger Splint in extension
References
- Atlas of Emergency Medicine
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