3: Periorbital Cellulitis

Question 1

Exopthalmos, or bulging of the eye.

Answer 1

Proptosis

Question 2

What are the 4 cardinal symptoms of orbital cellulitis?

Answer 2

1. Proptosis (exopthalmos, bulging of the eye)
2. Ophthalmoplegia (weakness of eye muscles)
3. Chemosis (swelling of conjunctiva)
4. Caused by increased intraorbital pressure

Question 3

What do you check during the eye exam in orbital cellulitis (4)?

Answer 3

1. EOM
2. Visual acuity
3. Eye symmetry
4. Proptosis

Question 4

Orbital and periorbital cellulitis is more common in children under _____. The median age is _____.

Answer 4

5

7

Question 5

T/F Orbital and periorbital cellulitis frequently cause blindness and mortality.

Answer 5

False. BEFORE antibiotics, mortality was 17% and blindness was 20% for survivors.

Question 6

Swelling of the conjunctiva.

Answer 6

Chemosis

Question 7

Which organism is most common in orbital cellulitis of younger children?

Answer 7

Strep pneumoniae

Question 8

Sinus infection usually causes orbital or periorbital cellulitis?

Answer 8

Orbital

Question 9

Why is there an increased incidence of orbital cellulitis in winter?

Answer 9

Sinusitis

Question 10

4 organisms that cause orbital or periorbital cellulitis.

Answer 10

1. GABHS
2. Strep pneumoniae
3. Staph aureus
4. H. influenzae

Question 11

Trauma to the eye or eyelid usually causes orbital or periorbital cellulitis?

Answer 11

Periorbital

Question 12

Serious infection of soft tissue and structures around the eye.

Answer 12

Orbital and periorbital cellulitis

Question 13

Which organism is most common in orbital cellulitis of older children?

Answer 13

GABHS

Question 14

Weakness or paralysis of the eye muscles.

Answer 14

Ophthalmoplegia