GASTROENTERITIS and food allergies Flashcards by Syed Rahel

DIARRHOEA +
ANAEMIA+
AKI

HUS

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HUS aki cause

vasculitis:
haematuria
protienuria
bad renal function

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HUS blood work

anaemia (haemolytic)
thrombocytopenia

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bloody diarrohea

HUS
campylobacter
salmonella
shigella

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cholera
diahrroea & source

sudden voluminous watery diarrhea

shell fish

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cholera rx

hydration
doxy
co trimaXazole

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salmonella
diahrroea

blood and mucus

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Typhoid
diahrroea and
symptoms

HIGH FEVER
mild gi symptoms

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typhoid source

poltry mrat eggs veggeis

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salmonella source

poultry ehh meat veggies

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HIV + dia
but no or little
abd pain and NO FEVER

CRYPTO SPORIDIUM

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HIV + CRYPTOSPORIDIUM
CD4
& SYMPTOMS

CD4 < 100
severe wt loss

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HIV + DIA + TROPICAL area

isospora belli

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hiv + dia + abd pain + low stool frequency of lose motions

CMV

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HIV DIA CD4 < 50
ABD PAIN

MICROSPORIDIUM

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HIV + DIA + OTHER ORGAN INVOLVE eg tb in lungs

micobacterium AVIUM

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typhoid unusal
symptoms at onset

constipation or mild diarrhrea

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typhoid unusal symptoms

ROSE SPOTS BLANCHING
cough
sore throat
headache
anorexia
prolooonged fever

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typhoid labs

raised transaminases
neutropenia

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typhoid incubation

few days to weeks

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typhoid rx

first gen cephalosporins
flouroquinolones

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diarhea + CYSTS in stool

Giardia ( rx by metronidazole)
tape worm
cryptosporidium

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enteric fever =

salmonella

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staph aureus
symptoms time
dia type
source

2 to 4 hrs or within 1 to hrs
profuse watery
meat contamination

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salmonella enteritidis symp time dia type

12 to 72 hrs bloody

listeria

( hysteria ) cns symptoms also with gi unpasteurized milk pregnant women

clostridium perfirenges dia time

six to 12 hrs

yersinia enterocolitica dia time

1 day later bloody diarrhea

bacillus cereus symp onset

re heated rice vomitting 1 to hrs diarrhoea 8 to sixteen hrs

campylobacter spp symp onset

FLU like symptoms 3 to7 days

yersinia and IBD similarity

erythema nodosum diarrhoea right ILIAC fossa pain

yersinia enterocolitis * vs IBD

yersin has travel history

shigella incubation period

days

bird box ( river blindness)

onchocerciasis nematode blindness and pruritis

eosinophilic gastroenteriotis

eosinophilia eosinophil infiltrate in lamina propria no evidence of organism pathogen rx glucocorticoids avoid allergen no eveidence of extra intestinal reason for eosinophilia

eosinophilic gastroeneteritis DD

STONGYLOIDES

STONGYLOIDES dd and symptoms

eoisinphilic gastroenteritis loose bulky stools persist for decades lamina propria nematode dx presence of parasite in biopsy

shistisomiasis labs

peripheral eoisionophilia

shigella symptomas

tenesmus bloody dia rrhea fever outbreaks

rota virus dia hlmrk

children < 5 yrs

non polio ge hallmark

more of respiratory amd neuro illnes

entero adeno virus dia hlmrk

children

M/C VIRAL outberaak of dia ( also in hospitals)

NOROvirus faeco oral watery dia and vomitting dx ELISA OR PCR RX hydration

abx for vibrio cholera

doxy 300 mg singel dose others : tetra and cipro oral

salmonella rx abx

cipro iv

e coli abx

ceftriaxone iv

listeria dia rx abx

amoxicillin oral

iardia rx abx

metronidazole

lactose intolerance prone population

far EASTERN African

lactose intolerance causing diet

european diet

lactose intolerance dx

diary free diet lactose breath hydrogen test

faecal elastase

CHRONIC Pancretitis

rx for CHRONIC CONSTIPATION

5HT4 agonist PRUCALOPRIDE trial

common foods causing mouth and throat ITCHING

birch apple syndrome celery

orange allergy avoidance in wich disease

ASTHMA orange have salycilate granny smith apples also have salicylate

LATEX food syndrome causing foods

BANANAS( M/C) AVOCADO KIWI CHESTNUT papaya potato chestnut

FAVA beans causing oxidative haemolysis alergic disease

g six p d deficiency

wheal size of skin prick test predicts what

only positive allergy NOT magnitude of next anaphylaxis

what predicts magnitude of next anaphylaxis

amount viral infection

food allergy from INTOLERANCE

Salicylate sulphytes scombroid fish mSg.... dx is by history

skin prick test (IgE meidated) example

kiwi banana chestnut latex papaya avocado

ige mediated allergy test

skin prick test

rast test for Ige mediated allergy ?

not usefu can be false negative when ige levels fall after anaphylaxis

RAST test indications for allergy

1-discontunation of mdication 2-severe skin disease precation 3-if pt has high sensitivity level that can lead to critical condition

ost sensitive and specific test for food allergy dx

skin prick test (more effective than RAST)

what follows after GE from giardia

Latose intolerance

giardasis symps

foul smelling flatus inTERMIttent diarrhea chronic bloating STEATORRHOEA(difficult flushing stools)

giardasis dx

stool antigen test( preffered) >> three stool C/s

chronic diarrhea

giardia IBD IBS strongyloides whipples diseaSE