It is performed by an audiologist and interpreted by an ENT specialist. No preparation is necessary. Check with your health care provider if you are taking any medications. The physical and psychological preparation you can provide for this or any test or procedure depends on your child's age, interests, previous experience, and level of trust. There is minimal discomfort.
Some people find cold water in the ear uncomfortable.
Brief vertigo may occur during the test. A risk is associated with the caloric stimulation part of the test. Excessive water pressure can injure a previously damaged eardrum, but this rarely occurs. Caloric stimulation should not be performed if the eardrum is perforated because of the risk of causing ear infection . Electronystagmography is performed to evaluate the acoustic nerve, which provides hearing and helps with balance.