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Opthalmologic emergency

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noor on Oct 08, 2009 Says :

excellent work

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Notes

Show Notes

Slide 1 :

Ophthalmologic Emergencies Division of Emergency Medicine Stanford School of Medicine

Slide 2 :

Challenges of Eye Complaints Similar complaints (redness, pain, visual changes) may represent benign or vision threatening etiologies Rapid diagnosis and therapy can be vision saving Visual loss is devastating for the patient and physician Most residents are uncomfortable with eye complaints

Slide 3 :

General Approach to Eye Complaints History onset, trauma, history of same, discharge, perceived vision, field defects, associated symptoms (halos, headaches), allergies Physical Exam - Visual acuity, general inspection (pupils, obvious foreign bodies, discharge, lid eversion), fundoscopy, visual fields, slit lamp (cornea, anterior chamber)

Slide 4 :

Everting the eyelid

Slide 5 :

Common Eye Lid Disorders Blepharitis - Acute or chronic eyelid inflammation, causing crusting of the lids (infectious vs. allergic) Stye - Acute staph infection of an eyelid follicle Chalazion – meibomian gland cyst (painless, non infectious) often confused with a stye

Slide 6 :

Causes of the “Red Eye”

Slide 7 :

Many causes of the “Red Eye” A middle-aged man comes in with complaints of a painful red eye. He said the pain developed after coming out of a movie theater. “It feels like a migraine” (headache, nausea, vomiting) “The lights have halos around them” What’s the probable diagnosis?

Slide 8 :

Acute Angle Closure Glaucoma What are findings on physical exam? Visual acuity: Conjunctiva: Cornea: Pupil: Anterior chamber:

Slide 9 :

What is the anterior chamber

Slide 10 :

Shallow anterior chamber How can you demonstrate a shallow anterior chamber? OBLIQUE FLASHLIHGHT TEST

Slide 11 :

Acute Angle Closure Glaucoma What is a normal intra-ocular pressure (IOP)? How do you measure the IOP?

Slide 12 :

Another “Red Eye” Patient presents whose right eye is red, painful and very sensitive to light. When you shine the penlight in her left eye, it causes her pain in the right (affected) eye. What diagnosis does it suggest?

Slide 13 :

Iritis What might you find on examination of the anterior chamber by slit lamp? Headlights in the fog Dust in a sunbeam

Slide 14 :

Cell and Flare

Slide 15 :

My baby’s got pink eye A patient in a big hurry comes in to see you. She is disheveled and scantily dressed. She says, “my baby’s got the pink eye She has a 5 day old infant with a bilateral eyelid swelling and a thick purulent discharge from both eyes.

Slide 16 :

My baby’s got the pink eye Should you just give her the antibiotic drops? What’s the diagnosis? Where did the baby get the infection? Does mom need to be treated?

Slide 17 :

Eye pain and FB sensation A middle-aged man complains of a foreign body sensation in the left eye Fluoroscein staining of the cornea reveals the following lesions. Diagnosis? Should we initiate therapy with steroids? Complications? Stain everyone!

Slide 18 :

Red painful eye in a contact lens wearer A patient who wears contact lenses presents with a painful red eye Diagnosis? Treatment?

Slide 19 :

Eye pain in a contact lens wearer Never patch a contact lens wearer Advisable to cover for Pseudomonas in a contact lens wearer No benefit to pressure patching in terms of rate of healing or pain reduction

Slide 20 :

Painful eye. Diagnosis?

Slide 21 :

Another red eye A three-year old child presents with erythema and swelling around the left eye. The Pediatric resident says, “It’s periorbital cellulitis; start the kid on antibiotics and send him home.” Are you comfortable with that?

Slide 22 :

Sudden painless visual loss The nurse has an elderly man with a history of CAD and TIA's who says he can’t see anything out of his left eye. The loss of vision was sudden and painless. What diagnosis does this presentation suggest?

Slide 23 :

Central retinal artery occlusion (CRAO) How long before this visual loss becomes permanent? Physical exam findings? Visual acuity/field: Pupillary exam: Retina:

Slide 24 :

Doctor, I see flashes of light and a curtain has dropped over my right lower visual field… Diagnosis?

Slide 25 :

Doctor, I can’t see well out of my right eye. It’s hazy and there are floaters… Diagnosis?

Slide 26 :

Traumatic Conditions of the Eye

Slide 27 :

Poked in the eye! A young boy presents to the ER after having been poked in the eye by another student. He is being seen by a resident who is just about to measure the child’s intra-ocular pressure when you yell “STOP!!!!!!” Why are you so uptight? Now what should you do?

Slide 28 :

Emergency Ophthalmology Consultation Protect the eye Avoid eye manipulation NPO Prophylactic antibiotics Update Tetanus Antiemetics Analgesics, Sedation Avoid Succinylcholine? Open Globe Treatment

Slide 29 :

FB sensation A young male presents to the ER with foreign body sensation to this left eye. He was pounding a nail and felt something get into his eye. You examine patient and find that other than some photophobia, his exam is normal. You are about to discharge him when the attending says, hold on just a minute. What could you have possibly missed? How do you make the diagnosis?

Slide 30 :

Positive Seidel’s You carefully examine the patient and place fluorescein in his eye. You see the fluorescein streaming. What is this called? What does it signify?

Slide 31 :

Drain cleaner in the eye A patient comes to the ER having gotten some drain cleaner in her eye and it's causing her a lot of pain. The triage nurse tells her the wait to be seen is 1 hour and the patient becomes irate and starts to leave. You happen to overhear this conversation What should you do? Why? Treatment? How long?

Slide 32 :

Baseball versus eye A young male presents to the ER after having been hit in the eye with a baseball. He says, "I keep seeing double when I look up". Diagnosis? Pathophysiology? Treatment?

Slide 33 :

BLOWOUT FRACTURE Symptoms: Diplopia Epistaxis Signs: Crepitus/tenderness over orbital rim or maxilla Periorbital subQ emphysema Limitation of EOM Enophthalmos Anesthesia of the ipsilateral cheek and upper lip - WHY? Periorbital ecchymoses/swelling Pathophysiology

Slide 34 :

Blunt Trauma The patient may also have a hyphema Make sure to look with a slit lamp Some may be microscopic Blurred vision Risk of re-bleed, glaucoma

Slide 35 :

Blunt Trauma They may also have a subconjunctival hemmorhage or lens dislocation.

Slide 36 :

Eyelid laceration A young child presents to the emergency department with a small laceration of her left upper eyelid. What's that protruding from her laceration? What does it signify?

Slide 37 :

“Eyelids don’t have fat” Orbital fat usually protrudes through septal lacerations Fat in the lid laceration confirms the diagnosis High incidence of globe penetration and intraocular foreign bodies High risk for orbital cellulitis

Slide 38 :

Questions and Answers

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