Acute and Chronic Diarrhea Flashcards
diarrhea in adults =
colitis
infectious etiologies of acute diarrhea
salmonellosis - typhlocolitis
clostridial
potomac horse fever
rotavirus in foals
infectious etiologies for chronic diarrhea
salmonella
PE (keep in the back of your mind for DDx)
4 clinical syndromes of salmonella
carrier
depression, fever, anorexia, neutropenia and no diarrhea
enterocolitis with diarrhea
septicemia
what is the rule for sneding into isolation?
2 of 3
fever, neutropenia, diarrhea
Risk factors for PHF
later summer/fall
near water - trematodes, snails
Who does PE (lawsonia) normally hit? what wuill you see?
3-7 month old weanlings, but can hit adults.
see ill thrift, weight loss, etc.
Fever and hypoalb in adults is a key-on
Tx and Prog of lawsonia PE
DXC and very good to treat
DDx of Chronic Diarrhea
Gran enteritis MEED Idiopathic eosionophilic colitis lymphocystic-plasmacytic enteritis neoplasia
Classic CLinical signs of chronic diarrhea
malab
maldigestion
when do we need a definitive dx for diarrhea/
zoonoses biosecurity special treatment prognosis cost
Etiology of PHF
neorickettsia risticii
With the fecal sample what to do to rule in/out some pathogens
serology - lawsonia, neorick FEC settle for sand ELISA - CLost diff and perfringens PCR - clost toxins
If chronic diarrhea, what is a good idea to do
intestinal biopsies
absorption tests
Rads only use for diarrhea is
sand
US only use for diarrhea is
thickened colonic wall
Which is better, d glucose or d xylose test
d-glucose is sensitive but not specific
d xylose is great (doesn’t affect insulin, but is by renal function), but labs don’t often run it.
DDx list for positive D_Glucose test
lymphoma IBD - LP, E, MEED Cyathostomiasis chronic colitis (salmonella) allergies SIBO
in prevent diarrhea problems, what is an important thing to do?
address the feet and put them in ice
What do you never give to horses ever?
DXC?
How do they treat endotoxemia?
Polymixin B, but is nephrtoxic and comes in on EDR
When are fibrinogen levels bad?
4
what amount above baseline indicates normal absorption on glucose absorption test
> 85%
