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Anterior Segment Disease > Conjunctivitis > Flashcards

Conjunctivitis Flashcards

1
Q

Causes of Hyperacute Bacterial Conjunctivitis

A

Neisseria

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2
Q

Causes of Acute Bacterial Conjunctivitis

A

Staph aureus
Strep pneumo
Haemophilus influenzae

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3
Q

Spreading Bacterial Conjunctivitis

A

direct contact

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4
Q

Cause of Chronic Bacterial Conjunctivitis

A

Chlamydia- main

Staph aureus and Moraxella lacunata

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5
Q

General Symptoms of Bacterial Conjunctivitis

A

redness/ inflammation
bilateral
discharge- eyelashes sticky/ lids glued shut
gritty/ burn

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6
Q

General Signs of Bacterial Conjunctivitis

A

diffuse bulbar conjunctival injection
mucopurulent discharge
quiet anterior chamber, normal pupils and VAs

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7
Q

Papillae

A

small red bumps, more on upper lid

indicative of allergic or bacterial conjunctivitis

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8
Q

Follicles

A

type of lymphatic rxn
larger, clear, more gelatinous
indicative of viral and Chlamydial conjunctivitis

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9
Q

Reasons to stain for suspected bacterial conjunctivitis

A

hyperacute
chronic/ nonresponding
neonates

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10
Q

Staining Neisseria gonorrheae

A

chocolate agar

Thayer- Martin

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11
Q

Treating Mild Cases of Bacterial Conjunctivitis

A

topical antibiotics

qid x 1 week

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12
Q

Specific Meds for Mild Bacterial Conjunctivitis

A

Polymixin B/ Trimethoprim
Erythromycin
Tobramycin
Sulfacetamide

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13
Q

Treating Moderate/ Severe Bacterial Conjunctivitis

A

fluoroquinolones

bid or tid

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14
Q

Specific Meds for Moderate Bacterial Conjunctivitis

A

Ciprofloxacin, Ofloxacin (2nd gen)
Levofloxacin (3rd)
Moxifloxacin, Gatifloxacin, Besifloxacin (4th)

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15
Q

Treating Hyperacute Infections

A

swabs/ scrapes- gram stain
consult genitourinary or infectious disease specialist
Systemic Meds

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16
Q

Chlamydia trachomatis causes…

A

adult inclusion conjunctivitis
neonatal conjunctivitis
trachoma

17
Q

Adult Inclusion Conjunctivitis

A

sexually transmitted with self inoculation

18
Q

Diagnosing Adult Inclusion Conjunctivitis

A

follicular reaction

tender preauricular lymph nodes

19
Q

Managing Adult Inclusion

A

refer to genitourinary specialist

Azithromycin

20
Q

Trachoma

A

in underdeveloped areas, associated with bad hygiene (flies)

21
Q

Progression of Trachoma

A

recurrent infection - hypersensitivity rxn - conj scarring -

dry eye and entropian, trichiasis, corneal opacification - blindness

22
Q

Management for Trachoma

A

Surgery for entropian
Antibiotics
Facial hygiene
Environmental improvements

23
Q

Arlt’s Line

A

line of conjunctival scarring seen in trachoma

24
Q

Neonatal Conjunctivitis

A

any conjunctival infection in the first month of life

often acquired during birth

25
Q

Prophylaxis for Neonatal Conjunctivitis

A

povidone- iodine

silver nitrate

26
Q

Epidemic Keratoconjunctivitis

EKC

A

pink eye

very contagious

27
Q

Pharyngoconjunctival Fever

PCF

A

follicular reaction
fever
kids
very contagious

28
Q

Adenovirus

A

most likely cause of viral conjunctivitis
nonspecific acute follicular
EKC and PCF

29
Q

HSV

A

usually primary infection

associated with skin vesicles

30
Q

HZV

A

usually secondary infection

associated with ophthalmic shingles- one sided face rash

31
Q

Enterovirus

A

causes acute hemorrhagic conjunctivitis

32
Q

Molluscum Contagiosum

A

can shed if close to eye and cause viral conjunctivitis

33
Q

Differentiating Viral Conjunctivitis

A

point of care testing for adenovirus
Giemsa stain
PCR

34
Q

Inclusion Bodies in Giemsa Staining

A

chlamydia

35
Q

AdenoPlus

A

point of care testing to confirm adenovirus

2 lines- infection

36
Q

Managing Viral Conjunctivitis

A

decrease transmission- D/C contacts, dont touch eye, dont share towels, wash hands
Artificial tears and cold compress

37
Q

Treatment for Viral Conjunctivitis

A

Povidone - iodine for EKC
steroids to help with inflammation, not shortening infection
remove pseudomembranes

38
Q

Betadine

A

stings like hell
for more severe viral conjunctivitis
move around on eye and rinse out after

Anterior Segment Disease (19 decks)

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