Otología: vértigo periférico Flashcards

1
Q

Causa +frec de vértido periférico

A

Vertigo posicional paroxístico benigno (VPPB)

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2
Q

Patogenia VPPB

A

Otolitos

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3
Q

Dx patognomónico de VPPB

A

Test de Dix-Hallpike: produce nistagmo hacia oido afecto

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4
Q

Etiopatogenia de Sdr Ménière

A

Aumento de la endolinfa, disminución de su absorción (hydrops endolinfático)

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5
Q

Tríada de Sdr Ménière

A
  1. Vértigo paróxistico
  2. Acúfenos (que preceden a las crisis de hipoacusia)
  3. Hipoacusia tonos graves
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6
Q

Sdr Ménière entre crisis

A

Asintomático

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7
Q

Lesión vírica de la primera neurona vestibular

A

Neuronitis vestibular (VHS)

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8
Q

Etiología de vértigo asociado a síndrome de sordera súbita

A

Desconocida:

  • Viral
  • Autoinmune
  • Vascular: HT en diabetes
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9
Q

Conducto semicircular +afectado por VPPB

A

posterior: posición +declive, depósito de otolitos

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10
Q

Afectación del sistema vestibular SIN hipoacusia

A
  • VPPB

- Neuritis vestibular

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11
Q

Tx VPPB

A

Maniobras liberadoras de otolitos: Epley y Semont

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