What does the hearing (Audiogram) test mean?
The audiogram is a graphic representation of the ability to hear tones. Hearing is typically tested from 250 Hz to 8000 Hz (low frequency to high frequency tones). The left…
What is a tympanogram?
A tympanogram is a measurement of ear canal volume, middle ear pressure and compliance. A tympanogram will detect fluid, a perforation in the eardrum, function of a pressure equalization tube,…
What is an Epley maneuver?
An Epley maneuver, also known as canalith repositioning, is a therapeutic procedure which relieves symptoms for patients who have periods of brief spinning dizziness associated with position changes. These patients…
What is Electrocochleography (EcoG)?
EcoG is a measure of the electrical potentials within the auditory system. As the auditory system is stimulated by an acoustic signal, it causes a change in the electrical potentials…
What is an Auditory Brainstem Response (ABR) test?
An ABR is a test which measures the speed of electrical impulses along the acoustic nerve from the inner ear to the brainstem.
What is Videonystagmography (VNG) test?
An VNG evaluates the balance function of the inner ear. It is a test pertinent to the recording of involuntary eye movements, nystagmus, and helps to determine the origin of…