Precision Testing for Inner Ear Clarity
What is Electrocochleography (ECoG)?
Electrocochleography (ECoG) is a diagnostic hearing test that measures electrical responses from the inner ear (cochlea) and auditory nerve. It plays a key role in identifying conditions such as Meniere’s Disease and Endolymphatic Hydrops, which are often associated with dizziness, vertigo, and fluctuating hearing loss.
At Denoc Hearing, this non-invasive procedure is conducted with precision and comfort to help diagnose underlying auditory and vestibular disorders.
Clinical Procedure
- The patient is asked to lie comfortably on a reclining chair or bed.
- Surface electrodes are gently placed on the patient’s head.
- A specialized earphone and microphone are inserted into the ear canal, near the eardrum.
- A series of alternating polarity click sounds are played through the earphones.
- The electrodes pick up Summating Potential (SP) and Action Potential (AP) from the cochlea.
- Our audiologist calculates the SP/AP ratio to detect abnormal fluid pressure in the inner ear, a common indicator of Meniere’s disease.
Patient Preparation
Duration & Reporting
Test Duration: 45 minutes to 1 hour
Report: Delivered immediately after the test
Why Choose Denoc for ECoG Testing?
State-of-the-art diagnostic equipment
- Experienced audiologists trained in advanced auditory diagnostics
- Immediate interpretation and consultation post-testing
Frequently asked questions
No. ECoG is a non-invasive and painless test. You may feel slight pressure in the ear from the electrode, but it is generally comfortable.
Primarily, it helps diagnose Meniere’s Disease and Endolymphatic Hydrops by measuring fluid pressure in the cochlea.
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Yes, but it requires the child to remain still. Pediatric ECoG may be used in specific cases under the guidance of a specialist.