Anaesthetic Emergencies: Respiratory Arrest

Question 1

What is the next thing that’ll happen after respiratory arrest?

Answer 1

Cardiac arrest

Question 2

Why does respiratory arrest occur? (Name 3 reasons)

Answer 2

• Anaesthetic overdose
• Lack of O2 failure of cylinder/circuit error
• Pre-existing respiratory disease/injury
• Side effects of pre-meds or induction agents

Question 3

How do you fix and monitor induction apnoea?

Answer 3

• IPPV for short period
• Turn down or switch off vaporiser if necessary
• Check eye position and palpebral reflex

Question 4

What are signs of respiratory arrest?

Answer 4

• Dysponea before arrest
• Cyanosis
• Abnormal HR
• Abnormal CRT
• Abnormal Pulse
• Abnormal pupil dilation

Question 5

What should you do if the patient goes into respiratory arrest?

Answer 5

• Inform vet
• Turn off vaporiser
• Place ET tube and give 100% oxygen
• Commence IPPV (deliver 1 breath every 6 seconds)
• Check heart to ensure no cardiac arrest
• IV fluids and drugs e.g. reversals
• Keep patient warm
• Once vital signs are normal cease IPPV for 30 seconds to see if patient will breath on their own