Preanesthetic Evaluation

Question 1

What is preanesthetic evaluation?

2

Answer 1

1. To identify factors that might lead to anesthetic complications
2. To select an appropriate anesthetic protocol

Question 2

What are the 4 components of the preanesthetic evaluation?

4

Answer 2

1. Signalment
2. Medical history
3. Physical Exam
4. Laboratory evaluation

Question 3

What is included in the signalment?

3

Answer 3

1. Species
2. Age
3. Breed

Question 4

Why is the species an important factor when considering anesthesia protocol?
(3)

Answer 4

1. difference in response
2. different sizes
3. temperament

Question 5

Why is age an important factor when considering anesthesia protocol?

Answer 5

physiologic differences in pediatric and geriatric patients

Question 6

Why is breed an important factor when considering anesthesia protocol?

Answer 6

physiological and anatomical differences

Question 7

What are the breeds that have special drug restrictions and what are they?
(2)

Answer 7

1. sight hounds don’t do well with barbiturates

2. boxers can’t have acepromazine

Question 8

What needs to be included in the animal’s medical history?

2

Answer 8

1. information about current or previous medical problems
   - preexisting disease
   - general signs of illness
2. changes in behavior

Question 9

What are the medical problems that need to be considered before anesthesia?
(4)

Answer 9

1. seizures or fainting
2. exercise intolerance
3. weakness
4. Unexplained bleeding

Question 10

What can changes in behavior signify?

3

Answer 10

1. CNS disorder
2. pain
3. systemic illness

Question 11

What can exercise intolerance indicate?

3

Answer 11

1. heart disease
2. anemia
3. musculoskeletal pain

Question 12

What can indicate unexplained bleeding problems?

3

Answer 12

1. bruising
2. blood in feces or urine
3. prolonged bleeding after injury

Question 13

What are the most important body systems to examine during a physical exam?
(5)

Answer 13

1. Cardiovascular
2. Respiratory
3. Visceral
4. Musculoskeletal
5. Skin

Question 14

What do you need to record when examining the cardiovascular system?
(3)

Answer 14

1. heartbeat (pattern, sound)
2. pulse (bpm)
3. color of mucous membranes

Question 15

What do you need to record when examining the respiratory system?
(2)

Answer 15

1. breathing pattern

2. lung sounds

Question 16

How do you examine the visceral system?

Answer 16

Palpate for abnormal intraabdominal organs

Question 17

What do you need to record when examining the musculoskeletal system?
(2)

Answer 17

1. check for injury

2. assess weight

Question 18

Why would you need to examine the skin?

Answer 18

IV access site adequate or not

Question 19

What does a laboratory evaluation tell you?

Answer 19

Reveals subclinical abnormalities detected on physical exam are significant

Question 20

What are the laboratory tests should be done before putting an animal under anesthesia?
(7)

Answer 20

1. CBC
2. Blood Chemistry
3. Blood Coagulation Screens
4. Electrocardiogram (ECG)
5. Radiography
6. Urinalysis
7. other tests as needed

Question 21

What is Physical Status Classification based on?

Answer 21

• the results of the preanesthetic evaluation

- Classification is indicative of patient anesthetic risk

Question 22

What is the anesthetic risk for animals in the class P1?

Answer 22

minimal anesthetic risk

Question 23

What is the anesthetic risk for animals in the class P5?

Answer 23

extreme anesthetic risk

Question 24

What is the anesthetic protocol for animals in the classes P3 and P5?

Answer 24

need special protocols and stabilization

Question 25

What is the anesthetic protocol for animals in the classes P1 and P2?

Answer 25

uses standard anesthetic protocol

Question 26

What must an owner do before beginning the anesthetic procedure?

Answer 26

Owner must sign a written estimate and a consent form

Question 27

Why does an owner need to sign a consent form and what does it consist of? (5)

Answer 27

1. Legally necessary 2. Informs of risks 3. Owner's daytime phone number 4. Permission to perform CPCR 5. Lists extralabel drugs used