Abomasal Conditions

Question 1

Are dairy or beef cattle more likely to have abomasal disorders?

Answer 1

Dairy

Question 2

What does a thick intestinal wall indicate in a cow?

Answer 2

Lymphoma

Question 3

Multifactorial disorder that occurs within the first month post-partum 80% of the time

Answer 3

Displaced abomasum

Question 4

How does a gravid uterus affect the GI system of a cow?

Answer 4

Displaces rumen dorsally

Question 5

How does a dorsally displaced rumen predispose to abomasal displacement?

Answer 5

More room for LDA

Question 6

What do non-funtional abomasums contain to make them “float”

Answer 6

Air

Question 7

Is LDA or RDA more common?

Answer 7

LDA (85-96% of the time)

Question 8

The abomasum must be ______ to be displaced

Answer 8

Distended

Question 9

Partial outflow obstruction

Answer 9

LDA and RDA

Question 10

Complete outflow obstruction

Answer 10

R abomasal volvulus

Question 11

Which direction does a R abomasal volvulus turn?

Answer 11

Counterclockwise

Question 12

With RAV, an anion gap of ______ carries a poorer prognosis

Answer 12

> 30mEq/L

Question 13

With RAV, a blood lactate of _____ carries a poorer prognosis

Answer 13

> 6mmol/L

Question 14

Abomasalcentesis

Answer 14

Liptack test

Question 15

What is the pH of the abomasum?

Answer 15

4.5

Question 16

How will an LDA affect rumen positioning via rectal palpation?

Answer 16

Rumen will be medial instead of against the body wall

Question 17

How does and RDA fold?

Answer 17

Counterclockwise folding upward

Question 18

What is the most used technique for correction of an LDA?

Answer 18

R flank omentopexy

Question 19

Which minimally invasive techniques are only used to correct LDAs?

Answer 19

Rolling, roll and toggle, laparoscopic techniques

Question 20

Why are minimally invasive techniques not recommended?

Answer 20

Cannot confirm replacement of abomasum

Question 21

What does abomasal content smell like?

Answer 21

Burnt almonds

Question 22

What is a potential complication of a R paramedian approach to a displaced abomasum?

Answer 22

Dehiscense and abomasal fold prolapse

Question 23

What approach is preferred if adhesions are present or if the cow is in late stage gestation?

Answer 23

L flank celiotomy

Question 24

Why might some cows have more adhesions related to displaced abomasum on their left side than others?

Answer 24

Intermittent displacements

Question 25

How do you pexy the pylorus/abomasum?

Answer 25

Partial thickness

Question 26

Which side of the body does the abomasum need to be pexied to?

Answer 26

Ri body wall

Question 27

Which direction does an obstructed abomasum most commonly twist?

Answer 27

Counterclockwise

Question 28

How long does it normally take the abdominal wall to regain full strength after surgery?

Answer 28

2 months

Question 29

Partial abomasal hernia

Answer 29

Richter hernia

Question 30

What is the most common cause of abomasal impactions?

Answer 30

Lymphosarcoma