Externally Peer Reviewed by Mosby Indications Useful in detecting fluid in the middle ear, negative middle ear pressure, tympanic membrane perforation, ossicular chain disruption, or the patency of ventilation tubes.
Procedures Examine the ear canal and remove any occluding cerumen or exudate.
Inspect tympanic membrane. Select the appropriate tip for the tympanometer. Grasp the helix and straighten the ear canal. Position the probe. When the probe is positioned properly, the automatic recording device will be triggered.