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[Approach to patients with vertigo].

Pablo Young1, Melissa Castillo-Bustamante2, Carlos J Almirón3

  • 1Servicio de Clínica Médica, Hospital Británico de Buenos Aires, Argentina.

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|December 4, 2018
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Summary
This summary is machine-generated.

Vertigo, a common emergency department complaint, is classified as peripheral or central. Differentiating causes using clinical evaluation, HINTS, and audiometry improves diagnostic accuracy for effective vertigo management.

Keywords:
dizzinessfallsneuritisnystagmusvertigovestibular migraine

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Area of Science:

  • Neurology
  • Otolaryngology
  • Emergency Medicine

Background:

  • Vertigo is a frequent reason for emergency department visits, affecting 2-3% of consultations globally.
  • It is categorized as peripheral or central, with benign paroxysmal positional vertigo being the most common peripheral cause.

Purpose of the Study:

  • To highlight the importance of clinical evaluation in diagnosing vertigo.
  • To outline methods for differentiating central from peripheral vertigo.

Main Methods:

  • Clinical assessment including analysis of nystagmus.
  • Head impulse test (HINTS) and skew test for vestibular-cerebellar pathway integrity.
  • Tonal threshold audiometry to enhance diagnostic sensitivity.

Main Results:

  • Clinical findings are crucial for accurate vertigo diagnosis.
  • Diagnostic sensibility increased from 71% to 89% with the addition of tonal threshold audiometry.
  • HINTS and vestibular-cerebellar pathway tests aid in differentiating vertigo types.

Conclusions:

  • Accurate diagnosis is paramount for effective vertigo management.
  • A combination of clinical evaluation, specific tests like HINTS, and audiometry optimizes diagnostic outcomes.