ACUTE DIARRHEA Flashcards
what is the definition of diarrhea?
> 3 loose stools
what is characterized by acute diarrhea?
<2 weeks duration
what is characterized by chronic diarrhea?
> 3 weeks duration
what is gastroenteritis?
diarrhea w/nausea and vomiting
what is dysentery?
diarrhea w/ BLOOD, mucus, pus
what is osmotic diarrhea? (sorbitol)
solutes in lumen draw/keep water in lumen
what is secretory diarrhea? (Cholera)
intestinal secretions of solutes and water into lumen
what sx are see in non-infectious diarrhea?
lack of constitutional symptoms (fever, fatigue, night sweats)
what are sx seen in infectious diarrhea?
large volume (often watery) stool, constitutional sx, N/V/abd cramps (gastroenteritis)
what sx are seen in infectious colitis?
fever, tenesmus, and dysentery
is non-inflammatory diarrhea usually viral or bacterial?
usually VIRAL! (some bacterial, parasitic)
what is going on with the mucosa in non-inflammatory diarrhea?
intestinal secretion, mucosa INTACT
what kind of diarrhea presents with a fever, and bloody stool?
inflammatory
non-inflammatory DOES NOT have either of these sx for the most part (etec-low grade fever)!!!!
what type of diarrhea has fecal leukocytes?
inflammatory
non-inflammatory DOES NOT have this sx!!!!
is inflammatory diarrhea usually viral or bacterial?
usually invasive, toxin-producing bacteria
what is going on with the mucosa in inflammatory diarrhea?
shes DAMAGED** huge thing
what are some examples of non-inflammatory diarrhea?
-norovirus
-rotavirus
-cholera
-enterotoxigenic E. coli
-staph aureus
-giardia
what are some examples of inflammatory diarrhea?
-shigella
-campylobacter
-c. diff
-some salmonella
-shiga toxin E. coli
what pathogen is most common in daycare?
rotavirus
what pathogen is most common with foods being eggs and dairy?
salmonella
what pathogen is most common with water (CAMPING)?
streams= giardia
what pathogen is most commonly associated with travel?
- enterotoxigenic E. Coli
- norovirus outbreaks on cruise ships (and locally)
what pathogen is most commonly associated with animals being turtles and reptiles?
salmonella
what is toxin-mediated “food poisoning” ?
bacterial toxin that has abrupt onset (1-8 hours after ingestion) that has vomiting that is PROMINENT (diarrhea minimal) and resolves in <24 hours
what is ETEC also known as?
traveler’s diarrhea or montezuma’s revenge
what are the sx of ETEC
anorexia, cramps, watery diarrhea, low grade fever
may be nausea& vomiting - not prominent
NO PUS OR BLOODY STOOLS
what is ETEC/travelers diarrhea due to?
contaminated food/water
what is a common cause of acute diarrhea hospitalizations in children?
rotavirus
in what season is rotavirus more prevalent?
winter
how long is viral shedding in rotavirus?
21 days
What kind of onset does rotavirus have?
acute onset, may be fever