Diagnostic Hearing Evaluations

Diagnostic Hearing Evaluations

Diagnostic Hearing Evaluations- Hearing is evaluated in patients of all ages, from newborn through geriatrics. The patient is seated in a large soundproof room during testing to ensure accurate test results. Using a variety of clinical tools, which may consist of pure-tone testing, speech audiometry and impedance testing, the audiologist will determine a patient’s hearing acuity.

Diagnostic Hearing Evaluations – Should a hearing loss be present, proper follow-up will be recommended by the audiologist. Hearing tests are typically scheduled as a 30-minute appointment.

There are several tests audiologists use to measure hearing and hearing loss:

What is pure tone audiometry?


Pure tone audiometry is a hearing test used to determine the presence or absence of hearing loss. If hearing loss is present, the audiologist will be able to determine both type and degree of hearing loss.

Diagnostic Hearing Evaluations – What should I expect?
You will be seated in a soundproof room, with headphones on or in (we use insert earphones as standard) your ears, and a bone conduction headband on your head. Your audiologist will be seated on the outside of the sound booth and manipulate the audiometry equipment while testing your hearing.

There are two parts to this test.

  • Your audiologist will first test to see if you are able to hear a variety of different pitches. You will be asked to push a button or raise your hand when you hear the different tones.
  • This part of the test examines air conduction and bone conduction. Both the headphones for air conduction testing and the headband with the oscillator are placed behind your ear for bone conduction testing.

Your audiologist will compare the results of the two types of conduction to determine which part of your auditory system is responsible for the loss.

 

Diagnostic Hearing Evaluations – How long does the test take?
20 to 25 minutes.

 

Diagnostic Hearing Evaluations – How will I receive my results?
Your audiologist will review your test results with you when your testing is completed and answer all your questions.

Depending on your result, your audiologist will recommend further testing, an otology consult, or discuss the possibility of using hearing aid technology to improve your hearing.

Schedule Now 907-522-4357 office@akhtc.com

Diagnostic Hearing Evaluations

Diagnostic Hearing Evaluations – What is speech audiometry?
There are 2 different speech tests that will be completed. One will determine how softly you are able to hear words and the other will measure how clearly you are able to understand words.

Diagnostic Hearing Evaluations – What should I expect?
You will be seated in the sound booth and will be wearing headphones.

  • Your audiologist will ask you to repeat a list of words to determine your Speech Reception Threshold (SRT) or how soft you were able to repeat common words.
  • You audiologist will measure Speech Discrimination or Word Recognition ability. The audiologist will be either saying words to you or you will be listening to a CD recording. You will be asked to repeat the words. The audiologist will be measuring your clarity or ability to understand speech.

Diagnostic Hearing Evaluations – How long does the test take?
5-10 minutes

Diagnostic Hearing Evaluations – How will I receive my results?
The audiologist will share your test results with you at the completion of testing. Speech Discrimination ability is typically measured as a percentage score.

Schedule Now 907-522-4357 office@akhtc.com

Auditory Brainstem Response Evaluations

What are the Auditory Brainstem Response Evaluations (ABR or BAER)?


The Auditory Brainstem Response test is used for two purposes:

  • For assessment of hearing thresholds in specific populations
  • To assess the functional status of the auditory neural pathway

What should I expect?
This test is non-invasive and is performed with recording electrodes placed on the forehead and ears. The audiologist will analyze recordings of electric potentials generated by the auditory neural pathway.

This procedure is performed while the patient is lying down in the sound booth. The patient is required to be still and quiet throughout the test; therefore some infants and small children may require sedation. If the patient is a child, there will be need for sedation.

How long does the test take?
The test will range from 60-120 minutes.

How will I receive my results?
The audiologist will share your test results with you at the completion of testing.

Schedule Now 907-522-4357 office@akhtc.com

Transtympanic Electrococheography – ECOG

What is Transtympanic Electrocochleography (ECOG)?
Electrocochleography (ECOG) is a specialized test which measures the electric potentials or signals generated in the inner ear in response to sound. ECOG may be used to help diagnose whether you have any disease which may cause an accumulation of inner ear fluid, such as Ménière’s disease.

What should I expect?
Transtympanic ECOG is performed with a recording electrode placed as close to the inner ear as possible. This is done by passing the electrode through the eardrum and positioning it next to the inner ear.

This test is performed while the patient is lying down in the sound booth. The physician will first examine the patient and place the electrode and then the test will be performed by the audiologist.

This test is scheduled as a 90-minute appointment.

How will I receive my results?
The audiologist will share your test results with you at the completion of testing. Your physician will further review results and examine the eardrum following removal of the electrode.

Schedule Now 907-522-4357 office@akhtc.com

Otoacoustic Emission Testing – OAE

What is Otoacoustic Emission Testing (OAE)?
The Otoacoustic Emission test is an objective test, which measures hair cell function in the inner ear. An emission is a sound generated within the normal cochlea in response to stimulation.

OAE testing is used for a number of reasons, including screening of infants and other special populations.

What should I expect?
This is a non-invasive test which requires a small plug to be inserted in the ear and a series of tones or clicks are presented to the patient. The test takes place in the sound booth and the patient is required to be still and quiet throughout testing.

How long does the test take?
This test is typically scheduled as a 30-minute appointment.

How will I receive my results?
The audiologist will share your test results with you at the completion of testing.

Schedule Now 907-522-4357 office@akhtc.com

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Dr. Emily McMahan is the only Tinnitus Management specialist in Alaska.
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