ENT

Question 1

Most common site of nose bleeds

Answer 1

Kiesselbach plexus (90%): anastamosed vascular network that supplies oxygenated blood to nasal septum. Transfers heat from blood into inhaled air.

Question 2

Name the common arteries in nose

Answer 2

Anterior ethmoid artery
Posterior ethmoid artery
Greater palantine artery
Superior labial artery

Question 3

Anterior vs posterior epistaxis

Answer 3

90% are anterior/10% are posterior
A posterior source of the bleeding must be sought when epistaxis is bilateral, brisk, and not controlled with anterior nasal packing

Question 4

Treatment for otitis externa

Answer 4

Ciprodex
Keep ear clean and dry
No swimming until symptoms resolve

Question 5

Treatment for otitis media

Answer 5

Amoxicillin (ten days if < 2 y.o and 5 days if > or equal to 2 y.o.)

Can use clarithro or azithro if PCN allergy

Question 6

Most common organism responsible for otitis externa?

Answer 6

Pseudomonas aureginosa

Question 7

Treatment for acute rhinosinusitis?

Answer 7

For mild-mod = intranasal corticosteroids
Severe or no response to nasal steroids after 72 hrs = abx
Adjunct = nasal saline irrigation

Question 8

What are the symptoms of rhinosinusitis?

Answer 8

Pain, pressure or fullness - facial
Obstruction - nasal
Discharge (discoloured) or nasal purulence
Smell (hyposmia or anosmia)

• Must have nasal obstruction or purulence/discharge + 1 other symptom
• 3-view sinus x-ray or CT for recurrent ABRS (> or equal to 4/yr)