Monitoring Anesthetized Patients

Question 1

What needs to be monitored during anesthesia?

5

Answer 1

1. ocular signs
2. respiratory signs
3. cardiovascular signs
4. reflexes
5. muscle tone

Question 2

What are the ocular signs that need to be observed during anesthesia?
(5)

Answer 2

1. eye position
2. eye movement
3. pupil size
4. palpebral reflex
5. corneal reflex

Question 3

What should the eye position look like under moderate surgical anesthesia?

Answer 3

towards the medial canthus of the eye

Question 4

What should the eye movement be under moderate surgical anesthesia?

Answer 4

usually there will be no movement

Question 5

What is it called when the animal’s eye is moving side to side under anesthesia?

Answer 5

nystagmus

Question 6

What should the pupil look like under moderate surgical anesthesia?

Answer 6

moderately dilated under moderate anesthesia

Question 7

What is a palpebral reflex?

Answer 7

blink reflex

Question 8

How do you test corneal reflexes?

Answer 8

touching the surface of the eye with a smooth glass rod

Question 9

What are the respiratory signs that need to be monitored?

3

Answer 9

1. RR decreases as the depth of anesthesia increases
2. Depth of respiration
3. Character of respiration

Question 10

What are the characteristics of respiration that need to be monitored?

Answer 10

1. Thoracic/abdominal movement
2. abdominal/delayed thoracic
3. abdominal

Question 11

What are the cardiovascular signs that need to be monitored?

2

Answer 11

1. heart rate decreases as the depth of anesthesia increases
2. blood pressure decreases as the depth of anesthesia increases

Question 12

What should an animals blood pressure be while under anesthesia?

Answer 12

greater than or equal to 80 mmHg

Question 13

What happens to an animal’s reflexes as the depth of anesthesia increases?

Answer 13

reflexes are lost

Question 14

What reflexes are lost at Plane 2 of Stage 3?

4

Answer 14

1. palpebral
2. swallowing
3. laryngeal
4. pedal

Question 15

What reflexes are lost at Plane 3 of Stage 3?

Answer 15

corneal reflex

Question 16

What happens to muscle tone under anesthesia?

Answer 16

1. muscle tone decreases as the depth of anesthesia increases
2. stiff -> relaxed -> flaccid (want relaxed not flaccid)