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Tympanometry can be used to identify reasons for hearing loss such as fluid in the ears (acute otitis media) or otosclerosis. Hearing loss due to fluid in the ears is one of the about common problems for children and tympanometry can exist used to add an objective (quantitative) analysis of the eardrum and middle ear.

Tymapnometry is performed by inserting a tool called a tympanometer into the ear canal. The tympanometer looks like an otoscope or similar to an ear thermometer, however, it delivers sound waves while a vacuum creates both positive and negative pressures within the ear culvert. The returned energy creates a waveform that a physician tin can use to evaluate for disorders of the middle ear. The generated waveform is chosen a tympanogram, which tin then be used by the physician to evaluate the functionality of the eardrum.

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Preparing for Tympanometry

Prior to tympanometry testing, your physician will visualize the ear canal to evaluate for obstacle such every bit from impacted earwax. Obstruction of the ear culvert or other ear abnormalities may impact the results of the test. While observing the ear canal with an otoscope, your dr. may utilise a pneumatic otoscope, which is an otoscope with a bulb attached that once squeezed allows your dr. to wait for movement of your eardrum with force per unit area.

Visual examination with an otoscope allows your physician to make a subjective and qualitative assessment based on what they see. No risks are associated with the use of an otoscope or tympanometer. Due to the employ of pressure in the ear, mild discomfort may be felt during either test. Pocket-size children or those who are sensitive may likewise object to the feeling of having something inserted into the ear but in full general, these exams are non considered to be painful.

During the Test

The bodily tympanometry exam does not take long and does not involve more inserting the tympanometer into the ear canal for a very brief period of time. However, for the results to be authentic you lot should refrain from swallowing, talking or crying during the test as these activities can affect the pressure in the ear and skew the results.

Results of Tympanometry

Tympanometry generates a graph report called a tympanogram. The tympanogram will testify iv dissimilar types of results as follows:

Type A: Normal tympanogram
Type B: Aberrant tympanogram related to fluid in the ears or a hole in the eardrum
Blazon C: Aberrant tympanogram related to early/late-stage ear effusion or eustachian tube dysfunction (may be related to sinus disorders)
Type Every bit: Abnormal tympanogram related to sclerosis or otosclerosis
Blazon Advertizing: Aberrant tympanogram related to dislocation of the bones of the heart ear

Accurateness

Inquiry shows that both visual exams with a pneumatic otoscope and tympanometry can be used to clearly identify fluid in the ears. However, the pneumatic otoscope is both more authentic and provides a clearer diagnosis when performed past an experienced dr.. Otolaryngologists volition probable be more skilled with a visual test than a family unit practitioner. However, whatsoever physician can use tympanometry to assistance with their diagnosis of your hearing loss.

By Kristin Hayes, RN
Kristin Hayes, RN, is a registered nurse specializing in ear, nose, and throat disorders for both adults and children.

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