Tintinalli's Emergency Medicine: A Comprehensive Study Guide, 7e
Chapter 114. Ear and Mastoid Disorders in Infants and Children
Sections: Otitis Media, Acknowledgments, References.
Topics Discussed: ear diseases.
Excerpt:"Otitis media is the most common outpatient pediatric diagnosis.
There are approximately 25 million office visits for this condition
in the U.S., with direct costs greater than $5 billion
per year.1 Otitis media is inflammation of the
space of the middle ear. Otitis media is a general
term that has been used to describe multiple disorders of the middle
ear, including acute otitis media, chronic otitis media, and otitis
media with effusion. This chapter discusses acute otitis media, otitis
media with effusion, otitis externa, and acute mastoiditis.Otitis media accounts for 13% of all visits (including
children and adults) to U.S. EDs.2 Accurate data
on the true incidence of acute otitis media are lacking, as previous
surveys have not made the distinction between acute otitis media,
otitis media with effusion, and eustachian tube dysfunction. There
is considerable overlap between presenting signs and symptoms of
upper respiratory illnesses and acute otitis media, especially in
the preverbal child.The external canal wall is layered with thin cartilage and lined
with skin. The epidermal skin layer of the canal is contiguous with
the outermost layer of the tympanic membrane. Flora..."
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