Choke, Rumen Fistula, Rumenotomy, Pericarditis Flashcards Preview

RUSVM Large Animal Surgery > Choke, Rumen Fistula, Rumenotomy, Pericarditis > Flashcards

Flashcards in Choke, Rumen Fistula, Rumenotomy, Pericarditis Deck (20)
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1
Q

What is the #1 complication associated with esophageal choke?

A

aspiration pneumonia

cranioventral lung lobe

2
Q

What is the main cause of esophageal choke in horses?

A

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

3
Q

What are the indications for a rumen fistula?

A
  • Relieve free gas bloat in calves
  • For nutritional studies
  • Feed an animal directly in the rumen
4
Q

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

A

foreign body

rocks, corn cobs, etc.

5
Q

The rumen is closed using a ________ pattern

A

two-layer inverting

6
Q

What is the most common indication for a rumen fistula?

A

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

7
Q

What indicates right-sided heart failure in this cow?

A

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

8
Q

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 __________

A

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

9
Q

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

A
  • Common carotid artery
  • Vasosympathetic trunk
  • Recurrent laryngeal nerve
10
Q

Identify this piece of equipment:

A

Rumenotomy board

Used to hold the rumen open during surgery​

11
Q

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

A

True

12
Q

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

A

creates a valve-like effect

13
Q

Cows with choke usually die from ________

A

bloat

14
Q

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

A

False

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

15
Q

What is this and what is it used for?

A

Magnet

For prevention of hardware disease

16
Q

What are the indications for rumenotomy​?

A
  • Traumatic reticuloperitonitis
  • Grain overload
  • Impaction
  • Vagal indigestion
  • Foreign body
  • Choke
17
Q

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

A

Upper left paralumbar fossa

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

18
Q

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?

A

Rabies

19
Q

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

A

Necrosis, with potential for stricture or stenosis

20
Q

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

A

Reticuloperitonitis with migration to the heart