EENT Flashcards
red eye around periphery and clear around iris. dx?
conjuntivitis
which type of conjunctivitis has eyes glued shut upon awakening?
bac
in kids: bac or viral conjunctivitis more common?
bac
in adults: bac or viral conjunctivitis more common?
viral
tx for bac conjuntivitis w/o contacts
erythromycin 5mg/g ointment
tx for bac conjuntivitis w/ contacts
fluoroquinolones (ofloxacin 0.3% drops, cipro 0.3% drops),
pt education for bac conjuntivitis w/ contacts
Tell contacts wearers to stop wearing contacts, and if bac don’t wear again until eye is normal and 24 hrs after treatment completed; throw away old case and lenses
leading cause of blindness in world
cataracts
pt w/ gradual onset Blurred vision, glare, altered color perception, monocular diplopia . dx??
cataract
difference in PE b/w immature and mature cataract
mature loses red reflex
biggest RF for keratitis
contacts use, esp overnight
what pathogen causes dendritic branching in the cornea visible upon fluorescience stain?
herpes (simplex or zoster)
which is more likely to present w/ significant photophobia? conjunctivitis or keratitis
keratitis
tx plan for keratitis
emergency opthalmology consult/referral
painful, blurry vision w/ injection around iris and small mishapen pupil that is poorly reactive to light. dx?
iritis/ uveitis
main difference between Chalazion and Hordeolum (sty)
Hordeolum (sty) is painful and inflammed (think hot). chalazion is painless (think cold)
tx for entropions and ectropions
surgery
painful loss of vision, decrease in color, central scotoma. Unilateral. Pain worse w/ movement.
dx?
optic neuritis
special test to dx optic neuritis
Marcus-Gunn pupil (swing light from unaffected to affected eye and pupils dilate)
tx for optic neuritis
IV methylprednisone. Then PO corticosteroids
MCC of optic neuritis
MS
med that can cause optic neuritis
ethambutol
how to differentiate between orbital cellulitis and preseptal cellulitis
Preseptal cellulitis (no pain w/ eye movement, no proptosis)
orbitals: ocular pain esp w/ movment, extraocular muscle weakness (opthalmoplegia) with diplopia, proptosis, chemosis
common precursor to orbital cellulitis
sinus infx