Preanesthetic assessment

Question 1

General anesthesia causes…

Answer 1

unconsciousness, amnesia, muscle relaxation, CV, respiratory depression, impaired thermoregulation, impaired sympathetic auto-regulation & decreased organ perfusion/function.

Question 2

General anesthesia risk

Answer 2

hypotension, hypoventilation, hypothermia, bradycardia & pain

Question 3

What would you ASA classification for a patient with mild systemic disease?

Answer 3

category II

Question 4

Neonate limitations

Answer 4

require glucose supplementation, blood pressure depends on heart rate, reduced sympathetic response, reduced haptic & renal metabolism & prone to hypothermia

Question 5

Geriatric limitation

Answer 5

often need analgesia for arthritis, often have pre-existing condition, reduced response to beta-agonist & prone to hypothermia

Question 6

ASA classification: patient with severe disease not regulated

Answer 6

Category III

Question 7

ASA classification: patient with severe systemic disease (life threatening)

Answer 7

Category IV

Question 8

ASA classification: moribund patient- not expected to survive without operation

Answer 8

Category V

Question 9

How long should animals be fasted?

• Dog/ Cat
• Small ruminant
• Horses
• Neonates/Pocket pets

Answer 9

 Dog & Cat (Adult): 8-12 hr
 Small ruminant: 12-18 hr; 24-36 (larger ruminant- camelid)
 Horses: 12 hr (can give hay handful)
 Neonates & pocket pets: NO fasting