Common ENT Flashcards
What is the most common causes for otitis externa
Bacterial causes (Pseduomonas + S. Aureus)
What are the risk factors for otitis Externa?
1- Swimming
2- Eczema\Seborrhea
3- Trauma (Cerumen removal)
4- Devices (hearing aid)
What are the clinical signs & symptoms associated with otitis externa?
Symptoms
1- Pain
2- pruritus
3- Hearing loss
Signs: 4- Discharge (yellow, brown, white, grey) 5- trargal pressure tenderness 6- erythematous TM 7- canal edema not showing full TM
How is the diagnosis of otitis externa usually made?
Clinically
Explain non-pharamacological management of otitis externa:
1- properly administer medication
2- avoid water for a week\ avoid submersion\ avoid ear phones or hearing aids\avoid foreign objects
3- use cotton coated petroleum jelly when bathing
4- if competitive return after 2-3d after pain cessation while using fitted wear plugs
Treatment of choice for otitis externa with intact tympanic membrane & no amino glycoside sensitivity
[Topical]
1- Neomycin
2- polymyxin
3- hydrocortisone
For 7-10 days
Treatment of choice for otitis externa with perforated tympanic membrane & amino glycoside sensitivity
[Topical]
1-Ciproflaxacin\oflaxacin
2- Dexamethasone
When to opt for oral antibiotic in patients with otitis externa?
1- infection spread beyond ear
2- DM & immunocompromised
3- Local radiotherapy
4- inability to deliver topical AB
When to refer patients with otitis externa?
Malignant otitis externa
invasion from external auditory canal to skull base, caused by pseudomonas, commonly seen in elderly w\DM
When to expect improvement after otitis externa treatment?
2-3 days
What if after 2-3 days from otitis externa, symptoms still presist?
1- misdiagnosis or misuse of medics
2- sensitivity to ear drops (consider culture)
3- canal patency.
What to expect to see in otitis media otoscopic examination
1- bulging
2- airfluid levels (otorrhea)
3- erythema
What are the most common organism to cause otitis media?
1- strep pneumonia
2- Hemophillus influnza
3-moroxhella catarahlis
impaired function of eustachian tube is associated with which type of otitis?
Otitis media
Name risk factors for otitis media
1- young \exposure to day care 2- pacifier use\ no breast feeding 3- immunocompromised 4- familial 5- allergies \ GERD 6- craniofascial abnormalities 7- respiratory irritant 8- respiratory infection
What conditions do nasal polyps associate with?
1- bronchial asthma
2- Rhino-sinusitis
3- aspirin sensitivity
Symptoms of large nasal polyps:
1- blockage
2- thick mucus (rhinorrhea)
3- anosmia
First line treatment of nasal polyps:c
Nasal corticosteroid spray > still symptomatic? Surgery
Modified centor criteria include:
1- tonsillar exudate\swelling
2- absences of cough
3- temp >38
4- Swollen ant. Lymph nodes
The most common
Virus - Bacteria
To cause pharyngitis:
- Virus: Respiratory (adeno,rhino,coronavirus)
- Bacteria: GAS
What are the complications of GAS infection?
- Suppurative: peritonsillar abscess, meningitis, bacteremia, otitis media, necrotizing fascitis
- Non-suppurative: Post-streptococcal glomerulonephritis - reactive arthritis - Rhumatic fever
What is your next step after identifying centor criteria in:
- Score 0-1
- Score 2-3
- Score >4
1- No test\Ab
2- Throat culture\RADT > Ab if +ve
3- Empiric Ab.
What recommendations would you give patients after diagnosing viral pharyngitis?
1- Rest & hydrate
2- Acetaminophen\asprin\NSAID
3- Food that coat throat (Honey)
4- Avoid smoke\dryness\Ab
Treatment of choice for GAS pharyngitis:
Penicillin 500mg 2\3x for 10d.
Treatment of choice for persistent\recurrent GAS pharyngitis:
- Augmentin
- Cephalaxin