Laboratory Studies

The laboratory studies normally carried out in patients with dizziness or vertigo are:

1. AUDIOMETRY.

AUDIOMETRY

2. SPEECH AUDIOMETRY

3. AUDITORY BRAINSTEM RESPONSE:

This test records the electrical activity of sound waves as they cross the brainstem. It provides significant information regarding the VIIIth nerve and auditory pathwaves.

4. HIGH RESOLUTION COMUTED TOMOGRAPHY.

HIGH RESOLUTION COMUTED TOMOGRAPHY.This test is indicated with bone density when one wishes to study the petrous portion of the temporal bone (Example: skull base fractures).

5. MAGNETIC RESONANCE IMAGING

MAGNETIC RESONANCE IMAGINGThis is the method of choice when one wishes to look for structural damage in the inner ear and brain. Example: brain stem tumorel