tiac Flashcards

1
Q

virus de gatro enterite

A

ARN: ROTAVIRUS-CALCIVIRUS:norovirus +sporovirus, ASTROVIRUS
ADN:nADENOVIRUS

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2
Q

methode diag GE virale

A
  • sérologie: Elisa
  • détection d’acide nucleique PCR ET RTPCR
  • IMMUNICHROMATO SUR BANDELETTE
  • visualisation direct
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3
Q

les syndrome d’une gatro bacterienne et parasitaire

A
  • syndrome cholériforme

- syndrome dysentérique

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4
Q

syndrome cholériforme

A

AFEBRILE+ selles liquide aqueuse et profuse en eau de riz
douelur et vomi inconstant
gravite?

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5
Q

syndrome dysenterique

A

FIEVRE
selle nombreuses afecale glaireuses et sanglantes
douleur en colique intese
epreinte et tenesme

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6
Q

gravite du syndrome cholériforme

A

DÉSHYDRATATION

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7
Q

diarrhees choleriformes

A

-cholera
-e.coli enterotoxinogene= toxine thermostable et thermolabile
-staph aureus
bacilus cereus
clostridium perfigens

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8
Q

diarrhee dysentrique

A
  • E.COLI ENTERO-HEMORRAGIQUE: toxine-syn -hemolytique et nephrotique = micro-angiopathies
  • E.COLI ENTERO-INVASIVE = presque la shigella
  • SHIGELLA
  • YERSINIA: s.dys+guillain barre =macrolide
  • COMPYLOBACTER
  • dysenterie amibienne
  • salmonella mineure non typhique
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9
Q

shigella

A
  • s.dysenteriae ou boydii ou flexnerii
  • syn dys + si forme severe s.neuro
    trt: cotrimoxazole
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10
Q

yersinia

A

-Y.enterocolita Y.pseudotuberculosis
-rupture de la chaine du froid
-bacteriemie, sepsis, syndrome pseudo Appendiculaire adenite mésentérique
-syndrome post infectieux ARTHRITE
trt=Cycline ou fluoroquinolone

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11
Q

autre cause

A

-fievre typhoide
-zone tropicale : +++bacterienne =PALUDISME
-VIH= le trt peut donner une diarrhee
mycobacterie atypique
virus:CMV ENTEROVIRUS
PARASITE: cryptosporidie,microsporidie
entamoeba,giardia,isospora beli

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12
Q

dysenterie Amibienne

A

sejour en zone tropicale
ENTAMOEBA HISTOLYTICA
Synd. Dysenterique SANS FIEVRE si fievre => amibiase hepatique
-compro etexam parasito

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13
Q

conduite a tenir devant une tiac

A

voir le cours

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14
Q

botulisme

A

-clostridium botulinum
-aerobie stricte
-toxicogenese dans l’intestin apres ingestion
-reservoir: conserve et charcuterie artisanale
-incubation 18-96h
-toxine= inhibition de la lib d’ach
-paralysie flasque bilat et sym avec ophtalmoplegie trouble de laccomodation et mydriase et dysphahie
-bio: rechercher la toxine dans le sang les selle et les alliments
trt= serotherapie-anti toxinique et anti cholinesterasique

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15
Q

bacterie resp d’une tiac

A

-listeria -staph aureus -clostridium perfingers -salmonella mineur- shigella -compilobacter- yersinia -c.botulinum-….

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