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Eye - Clinical Medicine IV > Conjunctivitis > Flashcards

Conjunctivitis Flashcards

1
Q

What is a transparent mucous membrane that covers the inside of the lids and surface of the globe?

A

conjunctiva

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2
Q

What is the most common reason that pt seek care for acute red eye?

A

conjunctivitis

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3
Q

What are the two infectious causes of conjunctivitis?

A

viral and bacteria

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4
Q

What are the two non infectious causes of conjunctivitis?

A

allergic and nonallergic

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5
Q

What type presents as pink eye, itchy and watery, can affect one or both eyes?

A

viral conjunctivitis

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6
Q

What is sticky yellow discharge that can cause the eye to be red and is spread by direct contact?

A

bacterial conjunctivitis

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7
Q

What is red eye with nasal congestion, sneezing, eyelid swelling and sensitivity to light and both eyes affected?

A

allergic conjunctivitis

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8
Q

What are the causative agents of bacterial conjunctivitis?

A

s. aureus, s. pneumo, h. flu, m. cat

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9
Q

What type of bacterial conjunctivitis cause is more common in adults?

A

staph

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10
Q

What is the clinical presentation of bacterial conjunctivitis?

A 
rapid onset - red eye
unilateral but can be bi
thick white to yellow to green
eye shut
More severe conjunctivitis
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11
Q

Where do you see exudates in bacterial conjunctivitis?

A

lid margins

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12
Q

What causes hyperacute bacterial conjunctivitis?

A

neisseria gonorrhoeae

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13
Q

What will pts with hyperacute bacterial conjunctivitis present with?

A

lid swelling, chemosis, preauricular adenopathy

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14
Q

How do you treat a pt with hyperacute bacterial conjunctivitis?

A

hospitalization with ABX topically and orally

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15
Q

What are the polymyxin B combos?

A

bacitracin
Neomycin/bacitracin
Trimethoprim

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16
Q

What is macrolide eye drops?

A

azithromycin

17
Q

What causes viral conjunctivitis?

A

adenoviruses

18
Q

What is the drainage like in viral conjunctivitis?

A

crusting in am and then clearer as the day progresses

19
Q

What do pt have with viral infections, feeling wise?

A

scratchy or gritty

20
Q

How long can viral conjunctivitis last?

A

2 wks

21
Q

How do you treat viral conjunctivitis?

A

self limiting

22
Q

How does allergic conjunctivitis present?

A

gradual and less severe than b/v

23
Q

Is allergic conj uni or bilateral?

A

bilateral

24
Q

What causes allergic conj?

A

IgE mediated mast cell degranulation and release of histamine

25
Q

What is the main complaint with allergic conj?

A

itching

26
Q

What is the treatment of allergic conj?

A

olopatadine hydrochloride 0.1%
olopatadine hydrochloride 0.2%
Azelastine hydrochloride 0.05%

Patanol, Pataday, Optivar

27
Q

What causes nonallergic conj?

A

chemical, FB, chemicals, makeup, lotions

28
Q

When is the only time you get cultures?

A

gonorrhea suspected

29
Q

What requires further investigation?

A

ocular pain, HA, FB, fixed pupils, vision changes

Eye - Clinical Medicine IV (20 decks)

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