microbiology supplementary Flashcards
where does inflammation from campylobacteria effect
colon and rectum - therefore blood
where does inflammation from salmonella effect
ileum and colon - less absorption fluid
salmonella - population effected
exposure to infected cattle or animals
E.coli population affected
nursery children
shigella population affected
young children e.g. nursery
shigella diarrhoea
pus cells and blood
shigella inflammation
of mucosa
C diff diarrhoea
watery
S aureus acts directly on which CN
CNX causing gag reflex
s aureus food type
cream confectionary
s aureus other characteristics
hypothermia
weakness
cramps
headache
what do you get from meat gravy
clostridium pefrinigens
vibrio cholera - what test
stool culture
vibrio cholera most common from
ABROAD - contaminated food or water, poor hygiene, person to person spread
vibrio cholera stools
RICE WATER
vibrio cholera treatment
rehydration
cause of travellers diarrhoea
Enterotoxigenic E coli
Enterotoxigenic E coli diarrhoea
profuse watery
cryptosporidium worse for what patients
with HIV
cryptosporidium caught from
contaminated water e.g. swimming pools
domestic animals
person to person
enterobius vermicularis
threadworms
enterobius vermicularis population affected
school children and associated people
enterobius vermicularis symptoms
perianal itch and worms in stool
enterobius vermicularis treatment
oral mebendazole
what investigation do you do for parasites
stool microscopy
bristol stool chart type 1
separate hard lumps like nuts
bristol stool chart type 2
sausage shaped but lumpy
bristol stool chart type 3
sausage but with cracks on surface
bristol stool chart type 4
sausage or snake - smooth and soft
bristol stool chart type 5
soft blobs with clear cut edges
bristol stool chart type 6
fluffy wtih ragge edges
bristol stool chart type 7
water - liquid
what is a rare complication of campylobacter
guillan barre
what is there a risk of with salmonella
bacteraemia
what cause vomiting
salmonella
bacillus cereus
s aureus
vibrae cholera
E coli
what is the most common cause of renal failure <5 in the UK
E coli 0157
what do you get from SE asia
enteric fever
what do you treat enteric fever with if patient is unstable
ceftriaxone
what does the vaccine for enteric fever do
give partial protection against typhoid and no protection against parathyphoid
what are come complications of enteric fever
Gi bleeding, Gi perforation, encephlopathy and bone or joint infection
what is seen on the abdomen with salmonella typhi
rose spots - rash
what 3 things have preformed toxins
s aureus
c pefrinigens
b cereus
what do you get from rice
bacillus cereus
what do Cryptosporidium cysts stain wtih
ZN stain
what do you diagnose Cryptosporidium
with
duodenal aspirate and stool
how do you diagnose giardiasis
duodenal aspirate
what dos chaga’s disease cause
megaoesosphagus
parsympathetic denervation affecting the colon and or oesophagus
what are cestodes
tapeworms
what do taenia solium eggs cause
cysticerosis - seizures
what are trematodes
flukes
name a trematode
schistosomiasis
what is the most common nematode (roundworm)
ascariasis
what is the treatment for C diff
oral metronidazole
severe - oral vancomycin
what may severe C diff progress to
pseudomembraneous colitis or bowel perforation
toxic megacolon
what do you treat amoeibiasis with
Metronidazole and diloxanide furoate or paromomycin to clear gut
what is acute travellers diarrhoea
3 loose stools in 24 hours
what do you diagnose travellers diarrhoea with
stoop wet prep and culture
what is the cause of travellers diarrhoea
enteroxigenic E coli
what can Leptospirosis cause
hepatic jaundice - weils disease
what does weils disease cause
Icteric, haemorrhagic and renal failure