vestibular implant

Vestibular Implant: A Modern Treatment Option for Bilateral Vestibular Loss

The vestibular system has two primary roles: to provide visual stability during head movements and to assist with postural control. The peripheral (inner ear) vestibular system is able to do this with three semicircular canals (angular sensors) and two otolith organs (linear sensors) on each side. The information coded by these organs is transmitted to…

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vertigo evaluation negative

When the Dix-Hallpike (and everything else) is Negative

It is not uncommon to have a patient describing a history consistent with current active BPPV, and to have your exams, including Dix-Hallpike tests, be negative. My last post described techniques that can improve the likelihood of a positive test in these patients, but sometimes despite your best efforts, you cannot trigger an episode of…

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