Méningite Flashcards

1
Q

Définition de la méningite

A

Infection/inflammation de l’espace sous-arachnoïdien

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2
Q

Étiologie

A

Infectieuse (généralement)

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3
Q

Urgence

A

Oui

  • Mortalité = 5-25% selon pathogène et âge
  • Séquelle à long terme
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4
Q

Microbiologie

A
  • Bactérienne

- Aseptique (infectieuse ou non infectieuse)

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5
Q

Germes fréquent chez l’adulte

A
  • Neisseria meningititids

- Streptococcus pneumoniea

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6
Q

Triade

A
  • Fièvre
  • Céphalée
  • Signes méningés
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7
Q

Signes à rechercher

A
  • Raideur de nuque
  • Brudzinski
  • Kernig
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8
Q

Investigation

A
  • FSC
  • Protéine C réactive
  • Hémoculture
  • Analyse LCR
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9
Q

FSC

A
  • Globule blanc > 15 000/ mm3

- Polynucléaires

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10
Q

Hémoculture

A

Positive dans méningite bactérienne

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11
Q

TCC avec fistule LCR

A
  • Pneumocoque

- Récidive

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12
Q

Post-op neurochx

A
  • Bâtonnets gram -

- Staphylococcus aurea

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13
Q

Dérivation ventriculo-péritonéale/cardiaque

A

Staphylococcus sp

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14
Q

Immunosupprimé

A

Listeria monocytes

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15
Q

PL (pression d’ouverture)

A

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16
Q

PL (aspect visuel)

A

Apparence trouble

17
Q

Imagerie

A

TDM avant PL

Indice d’hypertension intracrânienne

18
Q

Traitement

A
  • ATB (députer très rapidement)

- Corticostéroïde (dexaméthasone) avant ATB