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Special Testing

Infant and child hearing testing

Our Frederick office is equipped for testing all ages including infants. We frequently do follow up testing for babies that are referred to us from Frederick Memorial Hospital after birth. All of our other offices are equipped to provide testing for ages 5 and up.

Otoacoustic Emissions Testing

This is a test of your inner ear (cochlea) and involves listening to very soft sounds. A machine records your inner ear’s involuntary responses (in the form of very quiet sound waves). The primary purpose of otoacoustic emission (OAE) testing is to better understand how well your inner and middle ears are functioning.

Auditory Brainstem Response Test (ABR)

This is a test of your hearing nerve (Cranial Nerve 8). It takes about 45 to 60 minutes and involves relaxing in a reclined position and listening to âclickingâ noises. It is a very easy, non-invasive test and can often determine crucial information about the function of your hearing nerve. This test is only recommended in special circumstances.

Middle Ear testing (Tympanometry)

This is a test to see how well your middle ear is working. This test can assist in the detection of an ear infection, holes in the eardrum, wax blocking the ear canal, or other problems that may indicate the need for a medical evaluation.


Electrocochleography (ECochG) is a method for measuring if the inner ear function. It is often done to check for Meniere’s disease.