Acute otitis Flashcards
Acute otitis extern is caused primarily by (blank) and (Blank)
pseudomonas aeruginosa and Staphlyococcus aureus
How does acute otitis externa present?
rapid onset of ear canal inflammation, resulting in otalgia, itching, canal edema, canal erythema, and otorhhea
How do you treat acute otitis?
topical antimicrobials or antibiotics such as acetic acid, aminoglycosides, polymyxin B, and quinolones (use with steroids)
What are the first line therapies for otitis externa if the tympanic membrane is intact?
Neomycin/polymyxin B/hydrocortisone
What is malignant (necrotizing) otitis externa?
a medical emergency prominant in elderly diabetic patients where the infection invades surrounding soft tissue and bone
Otitis externa lasting three months or longer is know as chronic otitis externa and is often the result of what?
allergies, chronic dermatologic conditions, or inadequate treatment of acute otitis
What fungal pathogens can cause otitis externa?
aspergillus and candida
Loss of the protective (blank), disruption of epithelium, inoculation with bacteria and increase in pH can cause otitis externa.
cerumen barrier
Temperatures greater than 101 suggest what?
extension beyond the auditory canal
What are the predominant symptom of otitis externa?
itching, erythematous canal
Physical exam for otitis externa should include what?
auricle, surrounding lymph nodes, a skin exam, otoscopy of ear canal, and verification that the tympanic membrane is intact.
Tenderness with movement of what is a classic finding in otitis externa?
tragus or pinna
T or F oral antibiotics (systemic) suck for treatment of otitis externa?
T, topical agents are the shit :)
With topical otic meds you should lay on your side for (blank) minutes
3
What should you do if you have marked canal edema?
put in a wick of compressed cellulose or ribbon gauze to facilitate antimicrobial or antibiotic admin
