Stages Of Anaesthesia

Question 1

What is Stage 1?

What does it involve?

Answer 1

Induction Stage or Voluntary Excitement

Involves:

• apprehension and resistance
• disorientation
• increases pulse and RR

Question 2

What is Stage 2?

What does it involve?

Answer 2

Involuntary excitement 
Involves:
- unconsciousness to Turkic breathing
- cranial nerve reflexes present
- brisk response to pedal reflex

Question 3

What is Stage 3?

What does a Light Plane involve?

Answer 3

Surgical Anaesthesia
Light Plane:
- Righting reflex gone 
- Eyes rolled in and down
- Muscle tone strong

Question 4

What does a Medium Plane involve? Plane 2

Answer 4

Decreased muscle tone
Painful stimulus affects RR and HR
Decreased depth and increased RR
Eyes rolled in and down 
Third eyelids slightly more visible

Question 5

What does Plane 3 involve?

Answer 5

• breathing mainly diaphragmatic
• muscle relaxation
• corneal reflex sluggish

Question 6

What does a dangerous anaesthesia look like?

Answer 6

Eyeballs centrally locates
Pupil more dilated
HR below 60
RR slow and shallow then absent