Ocular emergencies Flashcards

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1
Q
  • full thickness corneal or scleral opening
  • extrusion of intraocular contents common
  • deformed globe on CT scan
  • need to have high suspicion!
A

Open Globe

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2
Q
  • subconjunctival hemorrhage
  • exposed sclera
  • rule out deeper damage
A

Conjunctival laceration

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3
Q

management of open globe

A
  • stop exam and call opthalmology
  • place a shield over the eye, do not put any pressure on the eye
  • NPO
  • avoid straining/valsalva, limit to bed rest
  • CT scan of the head/orbits
  • medical managment: systemic antibiotics, tetanus, antiemetics, pain control
  • surgical managment: surgical repair within 24 hours
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4
Q
  • do not attempt to remove
  • can treat like open globe
  • can be occult: high suspicion based on history (projectiles, strikin metal on metal, no safety glasses
A

intraocular foreign body

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5
Q
  • blunt trauma with sudden blurring of vision
A

hyphema

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6
Q

work-up and treatment of hyphema

A

work up

  • intraocular pressure
  • anticoagulation status
  • screen for sickle cell

Treatment

  • bed rest, elevate head of bed, shield over eye
  • cycloplegia (atropine eye drops)
  • avoid blood thinners and sedation
  • close follow up with an eye care provider
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7
Q
  • blunt trauma, dull pain, light sensitivity and blurred vision

Treatment

  • Cycloplegia (cyclopentolate 1% QID)
  • Steroid eye drops (Prednisolone 1% QID)

Patients with blunt eye trauma require follwo up with an eye care provider

A

Traumatic Iritis

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8
Q
  • traumatic or iatrogenic
  • painful, decreased/dim vision, high intraocular pressure
  • EMERGENCY
  • compartment syndrome, needs decompression
  • lateral canthotomy and cantholysis
A

Retrobulbar hemorrhage

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9
Q

work up and treatment for an orbital fracture?

A

work up

  • check for double vision
  • look for restriction of eye movements

Treatment

  • avoid blowing the nose
  • surgical repair urgently if evidence of entrapment, within 2 weeks if large fracture
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10
Q
  • sharp pain, worse with blinking , watering, photophobia, eyelid edema
A

corneal abrasion

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11
Q

exam and treatment of corneal abrasion?

A

Exam

  • fluorescein with wood’s lamp
  • measure the size
  • look for infiltrates

Treatment

  • topical antibiotics
  • cycloplegic
  • discontinue contact lens use
  • avoid steroids
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12
Q

opthalmic antibitoics

A

Non Contact lens

  • ointment: erythromycin, bacitracin
  • drops: polytrim

Contact lens related

  • ointment: tobramycin, ciprofloxacin
  • drops: tobramycin, cipro, moxi

vegetative or fingernail

  • ointment: ciprofloxacin
  • drops: cipro, moxi
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13
Q
  • painful, red eye with decreased vision
  • history of contact lens use, eye trauma
  • bacterial most common: pseudomonas and staphylococcus species
  • location and size determine the work-up and treatment
  • moxifloxacin/gatifloxacin vs fortified tobramycin and vanco
  • oral antiviral if concern for herpetic infection
A

Corneal ulcer

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14
Q
  • painful redness and swelling
  • decreased motility
  • may have proptosis
  • may have decreased vision, concern for pressure on optic nerve
A

orbital cellulitis

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15
Q

work up and treatment of orbital cellulitis?

A

work up

  • head/orbital CT with contrast
  • blood cultures

Treatment

  • hospitalization for IV antibiotics
  • opthalmology and possibly ENT consult
  • staph, strep and H. influenza
  • surgical debridement/drainage for fungal or abscess
  • MUCOR
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16
Q
  • red, painfule eye with decreased vision
  • infectious signs include mucopurulent discharge, hypopyon, cloudy view into eye
  • endogenous vs exogenous
  • workup/treatment: determine a source, optho with tap and inject
A

endophtalmitis

17
Q
  • mid-dilated pupil
  • hazy cornea
  • shallow anterior chamber
  • tx: topical aqueous suppressants: timolol, brimonidine, dorzolamide, oral acetazolamide, IV mannitol, peripheral Iridotomy (or lens removal)
A

Acute glaucoma

18
Q
  • painless vision loss
  • dilated exam
  • ultrasound can be used
  • urgen vs non-urgent repair
A

retinal detachment

19
Q
  • venous stasis leading to diffuse hemorrhage, macular edema and at times ischemia
  • majority related to history of hypertension
  • work up: none if typical patient
  • if younger, atypical: CBC, glucose, coagulation work up included, factor V leiden
A

central retinal vein occlusion

20
Q

workup and treatment of central retinal artery occlusion?

A
  • generally an embolic event

Work up

  • carotid ultrasound
  • EKG
  • echocardiogram
  • coagulopathy
  • rule-out GCA

Treatment

  • breath into a bag
  • anterior chamber paracentesis within 24 hours
  • brimonidine
  • breath 100% oxygen or possibly hyperbaric treatment