EENT Flashcards
(140 cards)
MCC bacterial conjunctivitis
s. aureus
s. pneumo
bacterial conjunctivitis tx
warm compress
topical erythromycin
gonorrheal conjunctivitis tx
IM ceftriaxone, topical erythromycin
chlamydial conjunctivitis tx
PO doxy or azithromycin
neonatal conjunctivitis etiology by days
day 1: silver nitrate (chemical cause)
day 2-5: gonococcal
day 5-7: chlamydia
day 7-11: HSV
posterior uveitis
choroid inflammation assoc w/ HLAB27
sarcoidosis, MS
painless vision loss, floaters, dec/blurred vision
ophthalmic referral/ systemic CS
anterior uveitis sx
d/t underlying infx (AIDS, sarcoidosis)
unilateral vision loss, pain, redness, photophobia
constricted pupil, ciliary injection, painful eye movement
extra ocular sx: erythema nodosum, cough, lofgren syndrome
lofgren syndrome
sx of anterior uveitis
hx of sarcoidosis
erythema nodosum
bilateral hilar lymphadenopathy
polyarthralgia
fever
anterior uveitis test
CT: bilateral hilar adenopathy, pulmonary reticular infiltrates
hypercalcemia, hypercalcinuria
elevated ACE
anterior uveitis tx
ophthalmology referral
topical CS
nuclear vs peripheral cataract
nuclear: gray when seen by flashlight
peripheral: smoke like shadows, black against red
cataract test
SLIT lamp (yellow brown color)
fundoscopy: cataract is black on red background
cataract sx
painless blurred vision over months or years
halo around lights
absent red reflex
lens opacity
cataract tx
surgery
differential diagnosis for cataracts
retinoblastoma: absent red reflex + white pupil
corneal ulcer sx
pain, tearing, photophobia, gritty feeling
oval ulcer w/ ragged edges, severe conjunctival inflammation
white, hazy irregularity of cornea
corneal ulcer test
visual acuity
fluorescein staining
corneal ulcer tx
referral
herpes simplex infx in eye hallmark
dendritic ulcers, branching on fluorescein stain
herpes zoster opthalmicus etiology
varicella zoster- shingles
hypopyon
accumulation of pus in anterior chamber of eye
from severe keratitis infection
pterygium
fleshy triangular encroachment onto cornea
pinguecula
yellowish nodule on bulbular conjunctiva on nasal side
dacrocystitis vs dacroadenitis
dacrocystitis: lacrimal sac: medial canthos
dacroadenitis: lacrimal glands, above eyelid