Otitis Externa

Question 1

causes of otitis externa?

Answer 1

bacterial: pseudomonas aeruginosa, staphylococcus species

Question 2

what is otitis externa?

Answer 2

inflammation of skin of external auditory meatus, can affect tympanic membrane

Question 3

presentation of otitis externa?

Answer 3

Rapid onset of ear pair, (otalgia)
Tenderness
Itching
Aural fullness
Hearing loss
Erythema
Tragal tenderness

Question 4

Ix for otitis externa?

Answer 4

otoscopy, tympanometry

Question 5

what do you see on otoscopy in otitis externa?

Answer 5

overally redness, inflammation, CAN see cone of light

Question 6

Rx for otitis externa?

Answer 6

topical antibiotics, otic antibiotic drops, steroid drops

specifically ciprofloxacin, dexamethasone drops

Question 7

what is malignant otitis externa?

Answer 7

infection of external auditory canal and temporal bone

Question 8

what is the causative organism of malignant otitis media?

Answer 8

pseudomonas aeruginosa

Question 9

in which group of people is malignant otitis externa common in?

Answer 9

elderly with diabetes, or immunocompromised

Question 10

Presentation of malignant otitis externa?

Answer 10

severe deep otalgia
temporal headaches
purulent otorrhea

Question 11

RF for malignant otitis externa?

Answer 11

diabetes

Question 12

Rx for malignant otitis externa?

Answer 12

ciprofloxacin