CONTUSION - Battle's sign

Battle's sign is bruising and swelling behind the ear that signals a serious head injury. This makeup effect uses colour layering to create convincing discolouration and puffiness that reads clearly from a distance, immediately communicating to responders that this casualty needs urgent assessment for potential skull fracture or internal head trauma.

• Road traffic collision in an urban ambulance response scenario: responders arrive to find a dazed driver slumped against their car door, displaying Battle's sign and unable to recall the collision sequence, requiring rapid triage and spinal precautions.
• Mass-casualty fall exercise at a construction site: casualties with varying head injuries are scattered across the site; responders must identify this severe contusion quickly among multiple lower-priority injuries to allocate air ambulance resources correctly.

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