Opthamology Flashcards
Fixed, painful, red pupil acutely is concerning for _______, treated with ______
Acute angle closure glaucoma
Pilocarpine, acetazolamide (decreases vitreous production), lantanoprost (aqueous outflow), timolol, brimonidine (a agonist, aqeuous outflow)
Else mannitol —> Laser trabeculoplasty
For optic neuritis _____ study is necessary
MRI
___ and ___ can be diagnosed with flourescein stain.
herpes keratitis, corneal abrasion
Herpes keratitis, treatment is _____
topical acyclovir/gancicyclovir
_____ is a complication of sinusitis, can present with diplopia, proptosis, gaze palsies (CN 3,4,6), diagnosed with _____. Treated with ____ and _____
cavernous venous sinusitis
MRI
MRSA antibiotics, anticoag
Most accurate test for malignant otitis externa____
Bone biopsy, best initial = CT/MRI
Most common organism now for otitis media _____
Non typable H.Influenzae, Moraxella,
Most important thing to do before drug de-sensitization______
Stop the b blocker, in case epinephrine is needed
Cromolyn mechanism of action_____
Mast cell stabilization
Isolated vertigo without hearing loss, occurs regardless of position______
Vestibular Neuritis
Treatment of Labrynthitis ______
meclizine, steroids