Tonturas e Vertigens Flashcards

1
Q

Principais diagnósticos diferenciais de vertigem primária

A

Nevrite vestibular ; Vertigem posicional paroxística benigna;
Doença de Menière

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2
Q

Vertigem crónica que ocorre com mudanças de posição, nomeadamente com hiperextensão do pescoço XX

A

Vertigem posicional paroxística benigna

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3
Q

Fisiopatologia do Sd de Menière

A

Calcificações nos canais semicirculares

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4
Q

Manobras diagnóstica e terapêutica do VPPB

A

Dix-Hallpike (diagnóstico): +va se houver nistagmo; Epley (terapêutica).

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5
Q

Tipos de nistagmo que evocam Lesão SNC

A
  1. Nistagmo puro vertical expontâneo;
  2. Nistagmo despoletado pelos movs oculares bidireccional;
  3. Nistagmo inferior posicional
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6
Q

Ddx nistagmo espontâneo

A

lesão do SNC (puramente vertical); nevrite vestibular (unidirecional horizontal)

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7
Q

Ddx nistagmo invocado pelo olhar uni e bidereccional

A

Unidireccional - Nevrite vestibular (fase de recuperação)

Bidireccional - lesão SNC (AVC, cerebelo, EA de fármaco)

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8
Q

Clínica de Nevrite vestibular e Ddx

A

Tonturas agudas e constantes!
Constant vertigo, unidirectional
horizontal nystagmus,* positive
head-thrust test

Ddx: Stroke, myocardial infarction,
metabolic disturbances,
demyelinating attack

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9
Q

Clínica de Doença de Menière e Ddx

A

RECURRENT
SPONTANEOUS ATTACKS! Vertigo lasting hours, unilateral auditory
symptoms.
Ddx: TIA, cardiac arrhythmia, migraine, panic
attacks

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10
Q

Clínica de VPPB e Ddx

A

RECURRENT POSITIONAL ATTACKS! Positionally triggered, brief (<1 min)
attacks
Upbeat-torsional burst of nystagmus in
DH position, cured by Epley maneuver

Ddx: Horizontal or anterior canal BPPV,
migraine, Chiari malformation, posterior
fossa tumor, orthostatic hypotension.

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11
Q

Tratamento da VPPB, Doença de Menière, e Nevrite Vestibular

A

VPPB: manobra de Epley (canais posteriores)
Doença de Menière: dieta hipossalina e diuréticos; cirurgia se doença refractária.
Nevrite Vestibular: reabilitação vestibular.

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