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The vestibular system is a set of inner ear structures that provide a sense of balance and spatial orientation. This system is comprised of structures within the labyrinth of the inner ear, including the cochlea and two otolith organs—the utricle and saccule. The labyrinth also contains three semicircular canals—superior, posterior, and horizontal—that are oriented on different planes.
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Related Experiment Video

Updated: Apr 6, 2026

Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction
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Acute Unilateral Vestibulopathy.

Michael Strupp1, Mans Magnusson2

  • 1Department of Neurology, German Center for Vertigo and Balance Disorders, University Hospital Munich, Campus Grosshadern, Munich 81377, Germany.

Neurologic Clinics
|August 2, 2015
PubMed
Summary

Acute unilateral vestibulopathy causes vestibular tone imbalance, leading to vertigo and nystagmus. Early diagnosis using the "big five" bedside signs and prompt treatment with medication, corticosteroids, and physical therapy are crucial for recovery.

Keywords:
NystagmusVertigoVestibular neuritisVestibulopathy

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Area of Science:

  • Neurology
  • Otolaryngology
  • Vestibular System Science

Background:

  • Normal vestibular function relies on equal resting-firing frequencies in bilateral vestibular end organs.
  • Acute unilateral vestibulopathy disrupts this balance, causing significant symptoms.
  • Accurate diagnosis is essential for effective management.

Observation:

  • Key clinical features include acute vertigo, postural imbalance, nausea, and specific nystagmus.
  • The "big five" bedside examination signs aid in differentiating peripheral from central vestibular lesions.

Findings:

  • The study outlines diagnostic criteria for acute unilateral vestibulopathy based on patient history, clinical examination, and laboratory tests.
  • Differential diagnoses include central vestibular disorders and early Menière's disease.

Implications:

  • Accurate bedside differentiation between peripheral and central vestibular disorders is essential.
  • Effective management combines symptomatic relief, corticosteroid therapy, and vestibular rehabilitation.