Choke, Rumen Fistula, Rumenotomy, Pericarditis

Question 1

What is the #1 complication associated with esophageal choke?

Answer 1

aspiration pneumonia

cranioventral lung lobe

Question 2

What is the main cause of esophageal choke in horses?

Answer 2

food (dry feed - corn, grain)

The esophagus is on the left side of the neck. You can try to massage bolus back up to mouth

Question 3

What are the indications for a rumen fistula?

Answer 3

• Relieve free gas bloat in calves
• For nutritional studies
• Feed an animal directly in the rumen

Question 4

What is the main cause of esophageal choke in pigs and cows?

Answer 4

foreign body

rocks, corn cobs, etc.

Question 5

The rumen is closed using a ________ pattern

Answer 5

two-layer inverting

Question 6

What is the most common indication for a rumen fistula?

Answer 6

To relieve free gas bloat (chronic tympany) in calves

The surgery takes place in the upper left paralumbar fossa. The incision should be about the size of a silver dollar through the dorsal sac of the rumen

Question 7

What indicates right-sided heart failure in this cow?

Answer 7

Brisket edema, sub-mandibular edema (bottle jaw), looks stressed

Question 8

This person is performing a ________ on this cow. He is squeezing the cow while auscultating in order to get a pain response to check for __________

Answer 8

This person is performing a grunt test on this cow. He is squeezing the cow while auscultating in order to get a pain response to check for hardware disease

-also acceptable-

This person is performing a sensual back massage on this cow. He is squeezing the cow while auscultating in order to get a pain response to check for excessive stress carried in the shoulders

Question 9

When considering an esophagotomy, it is important to be conscious of the vital structures dorsolateral to the esophagus. Name some:

Answer 9

• Common carotid artery
• Vasosympathetic trunk
• Recurrent laryngeal nerve

Question 10

Identify this piece of equipment:

Answer 10

Rumenotomy board

Used to hold the rumen open during surgery​

Question 11

T/F: A rumen fistula must be small to be effective

Answer 11

True

Question 12

Why should you spread the muscles instead of cutting them when creating a rumen fistula?

Answer 12

creates a valve-like effect

Question 13

Cows with choke usually die from ________

Answer 13

bloat

Question 14

T/F: In most animals that survive choke, the most common factor is that they all underwent surgery

Answer 14

False

In most animals that survive choke, the most common factor is that the obstruction was relieved without surgery

Question 15

What is this and what is it used for?

Answer 15

Magnet

For prevention of hardware disease

Question 16

What are the indications for rumenotomy​?

Answer 16

• Traumatic reticuloperitonitis
• Grain overload
• Impaction
• Vagal indigestion
• Foreign body
• Choke

Question 17

With regard to rumen fistula, where does the surgery take place?

Answer 17

Upper left paralumbar fossa

Incision should be about the size of a silver dollar (or 1 EC dollar)

Question 18

What is an important differential for a cow that looks like the one in the pic with lots of salivation and is very nervous looking?

Answer 18

Rabies

Question 19

What can happen if choke is present for greater than 48 hours?

Answer 19

Necrosis, with potential for stricture or stenosis

Question 20

What is the #1 cause of right-sided heart failure in cattle?

Answer 20

Reticuloperitonitis with migration to the heart