Equine Gastrointestinal Disorders

Question 1

What is colic?

Answer 1

Non-specific abd pain

Question 2

What is the most common cause of small intestinal colic?

Answer 2

Strangulating lipoma

Question 3

What is the most common cause of large intestinal colic?

Answer 3

Impaction

Question 4

Gastric reflux and significant pain usually indicate _____ intestinal colic

Answer 4

Small

Question 5

What cause of SI colic occurs in older (>15y) obese horses?

Answer 5

Strangulating lipoma

Question 6

External abd distention with milder pain usually indicates _____ intestinal colic

Answer 6

Large

Question 7

Where in the large colon is an impaction most likely to occur?

Answer 7

Pelvic flexure

Question 8

Common infectious/contagious disease that results in a large volume of watery D+ in horses

Answer 8

Salmonella

Question 9

Can result in severe D+ and endotoxemia

Answer 9

Salmonella

Question 10

Which Clostridial organisms produce toxins that result in D+?

Answer 10

C. difficile/perfringents

Question 11

How do you treat a Clostridial colitis?

Answer 11

Supportive care and metronidazole

Question 12

If a horse develops D+ after antimicrobial administration, what type of colitis might you suspect?

Answer 12

Clostridium spp.

Question 13

What organism causes Potomac Horse Fever?

Answer 13

Neorickettsia risticii

Question 14

Assoc. w/water/rivers/streams and yields a higher incidence of laminitis

Answer 14

Potomac Horse Fever

Question 15

How do you treat Potomac Horse Fever/Neorickettsia risticii?

Answer 15

Tetracycline

Question 16

If you have a horse with colitis that develops laminitis, what cause might you suspect?

Answer 16

Potomac Horse Fever/Neorickettsia risticii

Question 17

What medications can result in colitis?

Answer 17

NSAIDs (phenylbutazone and flunixin)

Question 18

What type of colitis and D+ and colic do NSAIDs cause?

Answer 18

R dorsal colitis

Question 19

How will bloodwork change w/NSAID-induced colitis?

Answer 19

Hypoproteinemia