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Related Experiment Video

Updated: Apr 22, 2026

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
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[Peripheral vertigo versus central vertigo. Application of the HINTS protocol].

Ángel Batuecas-Caletrío1, Raquel Yáñez-González, Carmen Sánchez-Blanco

  • 1Hospital Universitario de Salamanca. Universidad de Salamanca., Salamanca, Espana.

Revista De Neurologia
|October 10, 2014
PubMed
Summary

The HINTS protocol effectively identifies central vertigo in emergency departments, aiding in the diagnosis of cerebrovascular accidents that mimic peripheral vertigo. This examination is crucial for distinguishing between central and peripheral causes of acute vestibular syndrome.

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Area of Science:

  • Neurology
  • Emergency Medicine
  • Diagnostic Imaging

Context:

  • Vertigo diagnosis in emergency departments presents a significant challenge.
  • Central vertigo can be mistaken for peripheral vertigo, necessitating accurate differential diagnosis.
  • Early identification of central vertigo is critical for timely intervention.

Purpose:

  • To evaluate the diagnostic efficacy of the HINTS (Head-Impulse, Nystagmus, Test of Skew) protocol.
  • To determine the HINTS protocol's accuracy in diagnosing cerebrovascular accidents presenting as peripheral vertigo.
  • To assess the HINTS protocol's utility in differentiating central from peripheral vertigo in acute vestibular syndrome.

Summary:

  • A descriptive observational study involving 91 patients with acute vestibular syndrome was conducted.
  • The HINTS protocol, assessing nystagmus, oculocephalic maneuver, and skew test, was compared with MRI findings.
  • Seven out of eight cerebrovascular accident cases showed HINTS sign alterations, yielding high sensitivity (0.88) and specificity (0.96).

Impact:

  • The HINTS protocol demonstrates high sensitivity and specificity in diagnosing central vertigo.
  • Implementing the HINTS protocol can significantly improve the differential diagnosis of acute vestibular syndrome in emergency settings.
  • Accurate diagnosis using the HINTS protocol facilitates prompt management of potentially life-threatening cerebrovascular events.