ENT Flashcards
1
Q
Causes of pulsatile tinnitus, and required workup
A
Dural AV fistula Carotid Cavernous Sinus Fistula Paraganglioma Inner ear muscle spasms Eustachian tube dysfunction
Workup- ENT eval and brain imaging
2
Q
Causes of non-pulsatile tinnitus and required workup
A
TMJ disease Ototoxic meds Presbycusis Otosclerosis Vestibular schwannoma
usually originates in the auditory pathways, and commonly 2/2 sensorineural hearing loss. pt needs audiometry testing
3
Q
How to differentiate malignant otitis externa and SCC of the external ear?
A
MOE:
presents in older pts with severe ear pain, discharge, erosion of surrounding bones, high ESR
SCC: milder sx, subacute presentation, lower ESR
- both have pain and ulceration of the external ear with bony erosion
- get biopsy to differentiate