Conjunctivitis Flashcards
Blepharitis
eye lid
Keratitis
cornea
Uveitis
middle layer
Chorioretinitis
chroroid and retina
Stye/Hordeolum
localized inflammation of (usually) lower lid due to bacterial growth on eyelash
sIgA and lysozyme
secretary IgA and lysozyme found in tears
Is conjunctivitis sensitive to palpitation?
yes
Most common cause of red eye?
adenovirus
Which antibody mediates allergic rhinoconjunctivitis?
IgE
Most common viral conjunctivitis in neonates?
HSV
What type of fluid is found in viral conjunctivitis?
watery
Adenovirus?
- class
- envelope status
- lytic where
- Class I
- non-enveloped
- lytic to epithelial cells
Empiric treatment of mucopurulent conjunctivitis
Polytrim
Tripmethoprim
mechanism
-inhibits bacterial dihydrofolate reductase
Polymyxin B
mechansim
spectrum
- bind to LPS creating membrane holes
- Gram -
Moxifloxacin/Fluoroquinolone
mechanism
-topo II/IV
Hyperacute bacterial conjunctivitis organism?
Neisseria gonorrhoeae
Gram and shape of Neisseria
Gram - diplococci
Macrolides
- mechanism of action
- spectrum
- resistance
- adverse
- inhibits translation by binding to 23S rRNA of 50S subunit
- respiratory/Chlamydia
- increased efflux, methylation of binding site
- GI discomfort, prolonged QT
Chlamydia trachomatis
- how to enter cell
- what called in cell
- elementary bodies
- reticulate body
This keratoconjunctivitis is very painfu
HSV conunctivitis
Trifluridine
- mechanism of action
- use
- pyrimidine analog effective against acyclovir-resistant virus
- HSV conjunctivitis
Pseudomonas aeroginosa
-Gram/shape
Gram - aerobic rod w/ flagella
Pyocyanin
pigment from Pseudomonas