A diagnosis of
AOM requires:
-
a history of
acute onset of signs and symptoms,
-
the presence of
middle-ear effusion
(MEE), and
-
signs and
symptoms of middle-ear
inflammation.
Elements of the
definition of AOM are all of the
following:
-
Recent, usually
abrupt, onset of signs and
symptoms of middle-ear
inflammation and MEE
-
The presence of
MEE that is indicated by any of
the following:
a. Bulging of the
tympanic membrane
b. Limited or
absent mobility of the tympanic
membrane
c. Air-fluid
level behind the tympanic membrane
d. Otorrhea
-
Signs or
symptoms of middle-ear
inflammation as indicated by
either
a. Distinct
erythema of the tympanic membrane or
b. Distinct
otalgia (discomfort clearly
referable to the ear[s] that results
in interference with or precludes
normal activity or sleep)
