gastroenteritis Flashcards
what is the investigation for a bacterial gastroenteritis?
culture and sensitivity
what is the investigation for c diff?
PCR for toxin A/B
what is the investigation for viral gastroenteritis?
stool antigen
PCR - norovirus and rotavirus
what it is the investigation for parasitic gastroenteritis?
stool microscopy +/- duodenal aspiration
what is norovirus?
winter vomiting bug
sudden onset of violent D&V
what is rotavirus?
seen in children <5 and immunocompromised
most common cause of diarrhoea in children <3
when should parasitic infections be suspected in gastroenteritis?
diarrhoea lasting longer than 7 days
what is cryptosporidium?
parasitic infection causing chronic diarrhoea in HIV+
what is giardiasis?
parasitic infection causing long, protracted travellers diarrhoea
how long is the intubation for staph aureus?
1-6 Horus
what is the presentation of staph aureus gastroenteritis?
severe N + V +/- D
what are the main sources of staph aureus?
unrefrigerated meat or cream
what is the incubation for bacillus cereus?
1-6 hours
what is the presentation for bacillus cereus?
N + V +/- D
what are the main sources for bacillus cereus?
rice - Chinese takeaway