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Middle Finger Injury: What to Do When a Break is Suspected

A suspected finger fracture requires prompt evaluation to prevent malunion, stiffness, or rotational deformity. Immediate first aid and timely orthopedic assessment are key.

Immediate First Aid (RICE + Immobilization)

  1. Immobilize: Buddy-tape to adjacent finger (ring finger) with padding between, OR use a prefabricated finger splint (dorsal/volar) keeping MCP and PIP joints in slight flexion (intrinsic plus position). Do NOT straighten forcibly.
  2. Elevate: Hand above heart level (on chest or pillows) to minimize swelling.
  3. Ice: 15–20 min every 2–3 hrs (barrier between ice and skin).
  4. Analgesia: Acetaminophen 10–15 mg/kg/dose or ibuprofen 10 mg/kg/dose; avoid aspirin in children.
  5. Remove rings/jewelry immediately before swelling progresses.

When to Seek Urgent Care (Today)

  • Obvious deformity, angulation, rotation (finger crosses over neighbor when flexed).
  • Open fracture (skin break near injury).
  • Neurovascular compromise: numbness, pallor, capillary refill >3 sec.
  • Inability to actively flex/extend.
  • Severe pain uncontrolled by OTC meds.
  • Crush injury, high-energy mechanism.

Medical Evaluation

  • X-ray: AP, lateral, oblique of hand/finger – confirms fracture, displacement, rotation, joint involvement.
  • Reduction: Closed reduction under digital block if displaced/angulated/rotated.
  • Splinting: Custom thermoplastic or fiberglass; position of function (MCP 70–90°, PIP/DIP 10–20° flexion).
  • Referral: Hand surgeon if: intra-articular, displaced >10°, rotational deformity, open, tendon injury, child with physeal involvement.

Rehabilitation Timeline

PhaseTimelineGoals
Protection0–3 weeksFull-time splinting; gentle active ROM of uninvolved joints
Controlled Motion3–6 weeksWean splint; active/active-assisted ROM; edema control
Strengthening6–10 weeksProgressive resistive exercises; functional tasks
Return to Sport8–12+ weeksFull ROM, strength ≥90% contralateral; protective splinting for contact sports

Complications to Avoid

  • Malunion: Rotational deformity → overlapping fingers, grip dysfunction.
  • Stiffness: Prolonged immobilization → capsular contracture, tendon adhesions.
  • Nonunion: Rare in fingers; risk with smoking, NSAIDs, poor reduction.
  • Complex Regional Pain Syndrome (CRPS): Disproportionate pain, edema, color/temperature changes.

Even "minor" finger fractures need proper alignment. A hand surgeon or orthopedist with upper extremity expertise optimizes functional recovery.

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