gastroenteritis Flashcards
how are bacterial gastroenteritis diagnosed
stool culture
how should viral gastroenteritis be diagnosed
stool antigen + PCR
how should sitic gastroenteritis be diagnosed
micropsopy +/- deuodenal aspiration
what should all microbiology stool samples get tested for (5)
E. coli // shigella // campy // criptosporiidum // C diff (if 15+)
how is norovirus spread
faecal oral - airdroplets
norovirus incubation period
15-50 hours
symptoms norovirus
N+V+D // headache // low fever // myalgia // contacts with similar
diagnosis noravirus
stool cultre PCR
presentation rotavirus and who gets it
fever // N+V+D // kids
what type of vaccine is rotavirus and when is it given
live attenuated // 1st at 2 months and 2nd at 3 months
risk of rotavirus vaccine
intussecption if given after 15 or 24 weeks
when should parasitic or protozoal infections be considered in gastroenteritis
lasting longer than 7 days
what type of organism causes ameobiasis and how is it spread
protozoan // faecal oral route
symptoms of amoebic dysentery
profuse bloody diarrhoea
how is amoebic dysentry diagnosed
stool microscopy (hot stool)
mx amoebic dysentry or liver abscess
metro + diloxanide furoate
what type of organism is cryptosporidosis
protozoa (most common protozo in UK)
who usually gets cryptosporidosis
kids + immunocompromised
symptoms cryptosporidosis
watery diarrhoea // abdo cramp // fever
invx cryptosporidosis
stool ziehl neelsen stain +/- duodenal aspirate
mx cryptosporidosis
nitazoxanide or rifaximin (if immuno)
what organism causes giardiasis and how is it spread
protozoan // faecal oral
RF giardiasis
travel // swimmin in a lake // MSM
symptoms giardiasis
bad smelling steatohhrea // bloating and abdo pain // long inc eg 12 days
