Anaesthetic Drugs

Question 1

Which anaesthetics are used first of all? What is done afterwards?

Answer 1

IV fentanyl to rapidly induce anaestheisa
Then propfol (enhances GABA, reduces consciousness)
Rocuronium - relaxes airways so only used if you’re below the epiglottis?

THEN inhalational anaesthetics are given via SMA/tube

Question 2

In which circumstances are the inhalational anaesthetics used first?

Answer 2

Inhalational ones are used for kids

Question 3

Types of inhalational anaesthetics

Answer 3

Halogens (sevoflurane) and non halogens (NO)

Question 4

What is always in the emergency red tray?

Answer 4

Propofol 
Ephedrine 
Fentanyl
Atracurium 
Muscle relaxant

Question 5

Stages of anaesthesia can be assessed on?

Answer 5

Pupil size and and movement

Question 6

SE of propafol?

Answer 6

Reduced BP

Question 7

What might you see on the monitoring machine?

Answer 7

HR
spO2
etCO2 
Lung function along the bottom 
MAC

Question 8

What is etCO2

Answer 8

End-tidal CO2

How much CO2 you’re breathing out (shows how well you’re oxygenating)

Question 9

What is MAC? What is the relationship between this and age?

Answer 9

Conc of inhaled volatile gas, where 50% of the population won’t respond to the drug

The older you are, the less responsive you are

Question 10

What is the point of IV fentanyl?

Answer 10

To rapidly make you feel whoozey

Question 11

What does propofol do and how does it feel?

Answer 11

Reduces consciousness, you can feel your hands and everything go cold, unpleasant

Question 12

What does rocuronium do, moa, and how does it feel?

Answer 12

Competitive AchR neuromuscular junction blocker, muscle relaxant, really uncomfortable, like firing electrics