Anesthesia in Swine

Question 1

How long should pigs be fasted and witheld from water before surgery?

Answer 1

Fast: 12-24 hrs

Water restriction: 2-4 hrs

Question 2

T/F: Swine is the most difficult species to intubate?

Answer 2

TRUE-poor visualization, limited potential to open mouth, narrow glottis, laryngospasms (use lidocaine spray)

Question 3

What myopathy are swine predisposed to?

Answer 3

Malignant hyperthermia

Question 4

Where are the main locations for IM injections in swine?

Answer 4

Shoulder/Neck, semimembranosus/tendinosus

Question 5

What is the most realistic option for catheterization?

Answer 5

Auricular vein

Question 6

What position must a pig be in for intubation?

Answer 6

Dorsal recumbency due to lower jaw being on uppermost side-easier to view epiglottis

Question 7

What plane should swine be intubated in?

Answer 7

Plane III

Question 8

What anatomical abnormality do swine have that makes intubation difficult?

Answer 8

Laryngotracheal junction curve

Question 9

What kind of pigs are commonly affected by malignant hyperthermia?

Answer 9

Large white pigs- Landrace, spotted white, Hampshire, Pietrain, Poland-China
Potbellies=LESS susceptible

Question 10

What anesthesia factor predisposes pigs to malignant hyperthermia?

Answer 10

Halothane Vapor

Question 11

What can be used to treat the acidosis that goes along with malignant hyperthermia?

Answer 11

Na bicarbonate