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Distal-radius and scaphoid fractures

Essential points for quick revision.

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Median nerve, skin and carpus can be threatened

Severe distal-radius displacement can compromise skin and median nerve, while a perilunate injury or open fracture requires urgent reduction; occult scaphoid injury risks nonunion if dismissed.

Action: Remove rings, inspect skin, document median, ulnar and radial functions and perfusion, urgently reduce tissue-threatening deformity under suitable analgesia, splint, repeat examination and arrange specialist imaging and fixation to the required timetable.

Synopsis

Assess distal-radius deformity and median-nerve risk, detect occult scaphoid injury, use timely reduction and appropriate MRI or fixation pathways, and prevent collapse, nonunion and stiffness.

  • Remove rings and inspect deformity, wounds and skin; document median, anterior interosseous, ulnar and radial motor and sensory function and perfusion.
  • Obtain PA and lateral wrist radiographs for distal-radius injury and dedicated scaphoid views when radial-sided tenderness is present.
  • Reduce severe displacement promptly under adequate analgesia, apply a well-moulded splint and repeat neurovascular examination and radiographs.

Key red flags

Progressive median paraesthesia, thenar weakness, severe volar swelling or increasing pain after reduction suggests acute carpal-tunnel compromise.

Dorsal distal-radius fracture

Dinner-fork deformity, swelling and wrist pain follow a fall on the outstretched hand.

Investigation priorities

01
PA and true lateral wrist radiographsFirst step

Define distal-radius displacement, articular extension and carpal alignment.

02
First-line MRI for suspected scaphoid fractureFirst line

Confirm occult fracture and identify alternative bone or soft-tissue injury early.

Management branches

Distal-radius emergency careReduce tissue-threatening deformity

A displaced distal-radius fracture presents with deformity or nerve and skin concern.

  1. Remove rings, give analgesia and document skin, perfusion and named nerve functions.
  2. Perform controlled reduction with suitable anaesthesia, apply a moulded splint and repeat examination.

Key medicines

Paracetamol for adult wrist painUse an oral adult dose of 500 mg to 1 g when required, separated by 4 hours or longer and capped at four doses during 24 hours.
Intravenous regional anaesthesiaUse the local weight-based prilocaine or approved local-anaesthetic regimen only in a monitored setting with trained staff, correct tourniquet technique and toxicity rescue.
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Sources and review status4 sources · checked 27 Aug 2026 · clinical review pending
Sources

Sources and review status

National guidance is shown before implementation-dependent detail. Typical adult dose examples remain subject to patient factors, contraindications and the live BNF or specialist protocol. Source check completed 27 Aug 2026; clinical approval remains outstanding.

Authoring stateRapid draftClinical stateAwaiting reviewJurisdictionUnited Kingdom