Electronystagmography (ENG)/Videonystagmography (VNG)

Oct 17, 2021 by in OTOLARYNGOLOGY Comments Off on Electronystagmography (ENG)/Videonystagmography (VNG)

5 Electronystagmography (ENG)/Videonystagmography (VNG) OVERVIEW Electronystagmography (ENG)/videonystagmography (VNG) utilizes two-dimensional (2D) eye movement recordings to indirectly examine the following: (1) peripheral vestibular function (e.g., low frequency horizontal semicircular canals (SCCs)…

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Computerized Dynamic Posturography (CDP)

Oct 17, 2021 by in OTOLARYNGOLOGY Comments Off on Computerized Dynamic Posturography (CDP)

9 Computerized Dynamic Posturography (CDP) OVERVIEW The human postural control system is uniquely designed to maintain the center of gravity (COG) over a small base of support (BOS) by integrating…

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Rotational Chair Test (RCT)

Oct 17, 2021 by in OTOLARYNGOLOGY Comments Off on Rotational Chair Test (RCT)

6 Rotational Chair Test (RCT) OVERVIEW The rotational chair test (RCT) is a natural and repeatable multi-frequency stimulation of the vestibuloocular reflex (VOR; Barin, 2009). Specifically, the RCT is a…

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Video Head Impulse Test (VHIT)

Oct 17, 2021 by in OTOLARYNGOLOGY Comments Off on Video Head Impulse Test (VHIT)

7 Video Head Impulse Test (VHIT) OVERVIEW The concept of head impulse testing (HIT) was introduced in 1988 as a bedside measure of semicircular canal (SCC) paresis (Halmagyi & Curthoys,…

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Vestibular Evoked Myogenic Potentials (VEMPs)

Oct 17, 2021 by in OTOLARYNGOLOGY Comments Off on Vestibular Evoked Myogenic Potentials (VEMPs)

8 Vestibular Evoked Myogenic Potentials (VEMP) OVERVIEW Bickford, Jacobson, & Cody (1964) first recorded a sound-induced potential from an electrode placed at the inion, which was modulated with neck electromyography…

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Report Writing and Medical Referral Guide

Oct 17, 2021 by in OTOLARYNGOLOGY Comments Off on Report Writing and Medical Referral Guide

11 Report Writing and Medical Referral Guide OVERVIEW Components of the medical report should outline the overall justification of medical necessity and skilled services used to render diagnosis. The American…

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Office Vestibular ‘Bedside’ Examination

Oct 17, 2021 by in OTOLARYNGOLOGY Comments Off on Office Vestibular ‘Bedside’ Examination

3 Office Vestibular “Bedside” Examination OVERVIEW Proper identification of causes for symptoms of dizziness, vertigo, and imbalance includes both thorough case history and office vestibular “bedside” examination. The bedside examination…

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Appointment Preparation and Case History

Oct 17, 2021 by in OTOLARYNGOLOGY Comments Off on Appointment Preparation and Case History

2 Appointment Preparation and Case History OVERVIEW Obtaining case history in the dizziness clinic, whether in-person or via remote (telemedicine), is of diagnostic importance. There is a fine balance between…

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