Extradural hemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) AND return to pre-existing conscious level
extradural hemorrhage following injury with open intracranial wound and prolonged loss of consciousness (more than 24 hours) and return to pre-existing conscious level
open intracranial wound and extradural hemorrhage loss of consciousness greater than 24 hours then return to previous level
open intracranial wound and extradural hemorrhage loss of consciousness greater than 24 hours then return to previous level