Trauma Flashcards
what is an orbital blow out #?
fracture of one of the walls of the orbit but the orbital rim remains intact
radiological sign of blow out #?
tear drop sign (herniation of orbital fat)
clinical features of an orbital blow out #?
diplopia oedema enophthalmos decreased eye movements decreased visual acuity
imaging of choice for skull #?
MRI
investigations for a nasal #?
NONE, diagnosis on clinical grounds
what must be excluded in a nasal # and why?
septal haematoma
septum has no blood supply so will necrose
what #can cause epistaxis?
anterior ethmoid
what # can cause anosmia?
cribiform plate
what # can cause CSF leak?
cribiform plate
management of a pinna haematoma
aspirate/incision and drainage/pressure dressing
what is Battle’s sign and what does it indicate?
mastoid ecchymosis
indicates # of posterior cranial fossa
where is a longditudinal # of the temporal bone?
paralell to the long axis of the petrous bone
clinical of longditudinal # of the temporal bone?
lateral blows
bleeding
CSF otorrhoea
conductive deafness
where is a transverse # of the temporal bone?
right angles to the long axis of the petrous bone
clinical of transverse # of the temporal bone?
frontal blows
sensorineural hearing loss
CN7 palsy
vertigo