Exam
Otoscope Exam
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Otoscope Exam
, Otoscopy, Pneumatic Otoscopy, Tympanic Membrane exam
See Also
Tympanometry
Preparation
Adequate viewing requires >100 foot candles light
Change otoscope bulbs periodically (after 20h use)
Technique
Observation
Assessment of
Tympanic Membrane
Color and Appearance
Yellow (amber) serous fluid behind TM
Suggests
Serous Otitis Media
Air bubbles may also be seen in serous otitis
Marked erythema may suggest
Acute Otitis Media
Fever
and crying can also bring this on
Landmarks obscured
Suggests
Acute Otitis Media
Position
Bulging TM suggests
Acute Otitis Media
Retracted TM suggests
Eustachian Tube Dysfunction
Mobility
Immobile TM suggests effusion
Assessment of canal
Technique
Air insufflation (Pneumatic Otoscopy)
Requires airtight seal (
Rubber
tipped specula)
Avoid excessive pneumatic pressure
Bulb used to blow air against
Tympanic Membrane
May also blow air into IV extension tubing
Male end fitting into side of Otoscope
Female end of tube in mouth
Suck on tubing
Blowing into tube fogs lens
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