Crucial Exams

BCEN CEN Practice Question

Which of the following statements best describes Battle's sign (post-auricular ecchymosis) when assessing a patient after blunt head trauma?

  • It results from a fracture of the anterior cranial fossa and is usually accompanied by epistaxis.

  • The absence of Battle's sign effectively rules out basilar skull fracture in blunt head trauma.

  • It appears immediately after injury and its presence definitively confirms a basilar skull fracture.

  • It typically develops 24-48 hours after injury and, although highly predictive, is not pathognomonic for a basilar skull fracture.

BCEN CEN
Neurological Emergencies
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