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…
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 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 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 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 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…