Conjunctivitis Flashcards
1
Q
Slow onset organisms (days to weeks)
A
Staph aureus Moraxella Proteus Enterobacteriaceae Pseudomonas
2
Q
What produces a true membrane?
A
Diptheria
Gonococcus
Beta-hemolytic strep
SJS
3
Q
What is the ddx for SEIs?
A
Hypoxia from CL overwear Infectious keratitis EKC Thygeson's SPK Hypersensitivity (staph marginal) Medications (i.e., postsurgical topical NSAID without concomitant topical steroid) Corneal graft rejection Reis-Bucklers' dystrophy Cogan's dystrophy
4
Q
Ddx for conjunctivitis with preauricular lymphadenopathy
A
EKC HSV Gonococcus Chlamydia Parinaud's oculoglandular syndrome Newcastle's disease
5
Q
Ddx of acute follicular conjunctivitis
A
EKC Pharyngoconjunctival fever Chlamydia Primary HSV Medicamentosa (antivirals, atropine, apraclonidine, brimonidine, neomycin) Viral lid infections (verruca, molluscum) Newcastle's disease Acute hemorrhagic (enterovirus)
6
Q
Ddx of chronic follicular conjunctivitis
A
Chlamydia Medicamentosa Viral lid lesion HSV Psittacosis Lyme Parinaud's oculoglandular syndrome Chronic fiber granuloma (nylon in fornix) Atopy (type I hypersensitivity) Molluscum Trachoma
7
Q
Causes of acute bacterial conjunctivitis
A
Strep pneumo
Staph
Haemophilus
Pseudomonas
8
Q
What is Parinaud’s oculoglandular syndrome and what are possible causes?
A
Monocular granulomatous conjunctivitis with necrosis and ulceration of follicles
Cat scratch (Bartonella) Tularemia Sporotrichosis TB Syphilis Lymphogranuloma venerum Actinomyces Mononucleosis Rickettsia Coccidiomycosis
