DIfferentiating ear presentations Flashcards
1
Q
What is the character of discharge from external ear (2)
A
otitis externa - scanty discharge (as there are no mucinous glands)
-blood discharge if trauma to canal
-liquid wax can sometimes leak
2
Q
character of discarge from middle ear 1
A
mucous discharges
3
Q
orgiin if discharge is serosanginous (both blood and liquid) (1)
A
MIddle ear - granulation tissue on the tympanic membrane
4
Q
origin of dischareg if offenisve
A
middle ear likely infection from pseudomonas
5
Q
what dose a halo sign in terms of fluid distribution on filter paper or pillowcase signifies
A
CSF otorrhoea - CSF leaks due to trauma
6
Q
how can you test for CSF otorrhoea
A
sample tests postivie for Beta2 (tau) transferrin
