Acute and Chronic Diarrhea

Question 1

diarrhea in adults =

Answer 1

colitis

Question 2

infectious etiologies of acute diarrhea

Answer 2

salmonellosis - typhlocolitis
clostridial
potomac horse fever
rotavirus in foals

Question 3

infectious etiologies for chronic diarrhea

Answer 3

salmonella

PE (keep in the back of your mind for DDx)

Question 4

4 clinical syndromes of salmonella

Answer 4

carrier
depression, fever, anorexia, neutropenia and no diarrhea
enterocolitis with diarrhea
septicemia

Question 5

what is the rule for sneding into isolation?

Answer 5

2 of 3

fever, neutropenia, diarrhea

Question 6

Risk factors for PHF

Answer 6

later summer/fall

near water - trematodes, snails

Question 7

Who does PE (lawsonia) normally hit? what wuill you see?

Answer 7

3-7 month old weanlings, but can hit adults.
see ill thrift, weight loss, etc.
Fever and hypoalb in adults is a key-on

Question 8

Tx and Prog of lawsonia PE

Answer 8

DXC and very good to treat

Question 9

DDx of Chronic Diarrhea

Answer 9

Gran enteritis
MEED
Idiopathic eosionophilic colitis
lymphocystic-plasmacytic enteritis
neoplasia

Question 10

Classic CLinical signs of chronic diarrhea

Answer 10

malab

maldigestion

Question 11

when do we need a definitive dx for diarrhea/

Answer 11

zoonoses
biosecurity
special treatment
prognosis
cost

Question 12

Etiology of PHF

Answer 12

neorickettsia risticii

Question 13

With the fecal sample what to do to rule in/out some pathogens

Answer 13

serology - lawsonia, neorick
FEC
settle for sand
ELISA - CLost diff and perfringens
PCR - clost toxins

Question 14

If chronic diarrhea, what is a good idea to do

Answer 14

intestinal biopsies

absorption tests

Question 15

Rads only use for diarrhea is

Answer 15

sand

Question 16

US only use for diarrhea is

Answer 16

thickened colonic wall

Question 17

Which is better, d glucose or d xylose test

Answer 17

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.

Question 18

DDx list for positive D_Glucose test

Answer 18

lymphoma
IBD - LP, E, MEED
Cyathostomiasis
chronic colitis (salmonella)
allergies
SIBO

Question 19

in prevent diarrhea problems, what is an important thing to do?

Answer 19

address the feet and put them in ice

Question 20

What do you never give to horses ever?

Answer 20

DXC?

Question 21

How do they treat endotoxemia?

Answer 21

Polymixin B, but is nephrtoxic and comes in on EDR

Question 22

When are fibrinogen levels bad?

Answer 22

4

Question 23

what amount above baseline indicates normal absorption on glucose absorption test

Answer 23

> 85%