Otitis Media Flashcards
Most common reason for antibiotic therapy?
Otitis media
When is the highest incidence of Otitis media?
6-18 months old
Breastfeeding decreases the likelihood of what?
Otitis media
Why increased risk of Otitis media in winter/spring?
It’s the cold/flu season so respiratory infections
What type of epithelium makes up respiratory epithelium?
Pseudo stratified ciliated columnar epithelium with goblet cells.
What 3 functions does the Eustachian tube perform?
1) Protection
2) Drainage
3) Ventilation
What is the difference in angle between Eustachian tube between adults and infants?
Adults have an angle of 45 degrees while infants have angle of 10 degrees
What causes the inflammation that precedes Otitis media
Allergies and URI
What does inflammation cause in the pathogenesis of OM?
Eustachian tube blocking
What blocks the Eustachian tube?
Masses, smoke, and anatomy
After the Eustachian tube is blocked what happens?
Middle ear effusion/barotrauma from pressure differences
Middle ear effusion leads to what?
Nasopharyngeal contamination
What happens after nasopharyngeal contamination?
Acute otitis media/Otitis media with effusion
Can you catch otitis media?
No, but you can catch the respiratory infection that caused the OM.
3 big bacteria that can cause OM?
1) Strep. Pneumoniae
2) H. Influenzae
3) Moraxella catarhallis
Most clinically significant identifier of AOM?
Pain
Facial paralysis is indicative of what?
Bell’s palsy
What types of post auricular swelling is associated with OM?
Mastoiditis or lymphadenitis
What can cause vertigo, nystagmus, and tinnitus?
Esutachian tube dysfunction, labyrinthitis
What is Ramsay Hunt?
Varicella Zoster (Chicken Pox)
What is the AOM Tympanic Membrane triad?
1) Bulging
2) Immobile
3) Red
Fever and earache should indicate what?
Pneumococcal infection
Otitis conjunctiva syndrome indicates what?
H. influenzae
Tympanic membrane perforation/mastoiditis indicative of what?
Group A Strep
