Skip to main content
OrthoVellum
Knowledge Hub

Study

  • Topics
  • MCQs
  • ISAWE
  • Operative Surgery
  • Flashcards

Company

  • About Us
  • Editorial Policy
  • Contact
  • FAQ
  • Blog

Legal

  • Terms of Service
  • Privacy Policy
  • Cookie Policy
  • Medical Disclaimer
  • Copyright & DMCA
  • Refund Policy

Support

  • Help Center
  • Accessibility
  • Report an Issue
OrthoVellum

Ā© 2026 OrthoVellum. For educational purposes only.

Not affiliated with the Royal Australasian College of Surgeons.

Hand & Upper Limb
intermediate
X-Type

High-Pressure Injection Injury

Hand Trauma

A 32-year-old mechanic presents 4 hours after accidentally injecting hydraulic oil into his left index finger while using a grease gun at 10,000 psi. The entry wound is a small 2mm puncture on the volar pulp. He reports moderate pain and the finger appears mildly swollen with slight limitation of flexion. Radiograph shows subcutaneous emphysema extending to the proximal phalanx. Regarding high-pressure injection injuries:

Mark each as TRUE or FALSE

A

High-pressure injection injuries are surgical emergencies that require urgent debridement regardless...

B

The injected material spreads along fascial planes, neurovascular bundles, and tendon sheaths; tissu...

C

Initial appearance accurately predicts severity; small entry wounds indicate minor injury; observati...

D

Treatment requires emergent surgical debridement with wide exposure through Bruner or midaxial incis...

E

Prognosis depends on the injected substance (organic solvents worst), time to treatment (less than 6...

Answer the questions to see explanations

Click T (True) or F (False) for each option