What Does Tympanometry Show? A Simple Guide to Middle Ear Testing
If you’ve been referred for middle ear testing, you may be wondering what the test is looking for.
One of the most common ways audiologists evaluate the middle ear is with tympanometry. It’s a quick, painless test that measures how well your eardrum moves in response to gentle changes in air pressure.
The results can help identify problems affecting the middle ear, even when they aren’t visible during a routine examination.
What Is the Middle Ear?
The middle ear is the small, air-filled space behind your eardrum.
Inside are three tiny bones that carry sound vibrations from the eardrum to the inner ear. For this system to work properly, the eardrum needs to move freely and the pressure inside the middle ear needs to stay balanced.
If fluid builds up, pressure changes, or the eardrum can’t move normally, hearing may be affected.
That’s where middle ear testing comes in.
What Is Tympanometry?
Tympanometry is a type of middle ear testing that measures how your eardrum responds to small changes in air pressure.
A soft probe is placed just inside the ear canal. The device briefly changes the air pressure while measuring how the eardrum moves.
The test takes only a few seconds for each ear.
Unlike a hearing test, you’re not asked to respond to sounds. The equipment measures the movement automatically.
What Can Middle Ear Testing Detect?
Tympanometry doesn’t diagnose every ear condition on its own, but it provides valuable information about how the middle ear is functioning.
Your audiologist may use the results to help identify:
- Fluid behind the eardrum
- Eustachian tube dysfunction
- Negative pressure in the middle ear
- A perforated eardrum
- Reduced movement of the eardrum
- Problems affecting the tiny bones of the middle ear
The results are interpreted alongside your hearing evaluation, medical history, symptoms, and examination findings.
When Is Tympanometry Recommended?
Your audiologist or physician may recommend middle ear testing if you’re experiencing symptoms such as:
- Ear fullness or pressure
- Hearing that suddenly sounds muffled
- Frequent ear infections
- Ear pain
- Popping or clicking sensations
- Hearing loss that may be related to the middle ear
It’s also commonly used when evaluating children with recurrent ear infections, although adults can benefit from the test as well.
What Does the Test Feel Like?
Most patients find tympanometry very comfortable.
You’ll feel slight changes in pressure, similar to what you might notice during an airplane flight or while driving through the mountains.
The sensation lasts only a few seconds.
The test is non-invasive, doesn’t involve needles or medication, and doesn’t require any special preparation.
What Happens After the Test?
Your audiologist reviews the results along with the rest of your evaluation.
If the test suggests a middle ear problem, the findings may help determine whether medical treatment, further testing, or referral to an ear, nose, and throat (ENT) specialist is appropriate.
Many patients have normal tympanometry results, which can also provide valuable information by helping rule out middle ear problems.
Why Middle Ear Testing Matters
Hearing loss doesn’t always begin in the inner ear.
Sometimes the problem lies in the middle ear, where pressure changes, fluid, or mechanical problems can interfere with sound reaching the inner ear.
Tympanometry gives your audiologist objective information about how well your middle ear is functioning, helping ensure you receive the right diagnosis and treatment.
Middle Ear Testing Across the Puget Sound
Northwest Hearing + Tinnitus provides comprehensive middle ear testing, including tympanometry, at our locations in:
Whether you’re experiencing ear fullness, recurring ear infections, sudden hearing changes, or unexplained hearing loss, our audiologists can evaluate your middle ear as part of a complete hearing assessment.
Schedule a Middle Ear Evaluation
If you’ve been referred for middle ear testing, or you’ve noticed symptoms that may involve your middle ear, we’re here to help.
Contact Northwest Hearing + Tinnitus to schedule a comprehensive hearing evaluation, including tympanometry when appropriate.
Frequently Asked Questions About Middle Ear Testing
Is tympanometry the same as a hearing test?
No. A hearing test measures how well you hear different sounds. Tympanometry measures how your eardrum and middle ear respond to changes in air pressure.
Does tympanometry hurt?
No. Most patients only notice a brief feeling of pressure in the ear.
How long does middle ear testing take?
The tympanometry portion usually takes only a few seconds per ear. It is often completed as part of a comprehensive hearing evaluation.
Can tympanometry detect an ear infection?
It can identify changes that are commonly associated with middle ear infections, such as fluid behind the eardrum, but the results are interpreted alongside your symptoms and other examination findings.
Do adults need tympanometry?
Yes. While it’s often associated with children, middle ear testing is valuable for adults experiencing ear pressure, hearing changes, or suspected middle ear problems.
Is tympanometry available at all Northwest Hearing + Tinnitus locations?
Yes. Tympanometry and other middle ear testing services are available at all four Northwest Hearing + Tinnitus locations.