what are signs of a basilar skull fracture?
['Hemotympanum.', 'Bloody Otorrhea.', 'CSF Rhinorrhea.', 'CSF Otorrhea.', "Battle's sign (mastoid ecchymosis)", 'Raccoon eyes (periorbital ecchymosis)', 'Cranial nerve deficits.', 'Decreased auditory acuity.']