induction agents Flashcards
what is an induction?
the process where the animal leaves the normal conscious state and enters into a anaesthetised state
how would to give a IV anaesthetic agent?
- prepare all equipment
- restrain
- select site
- slowly administer the drug
- intubate patient
induction drugs that are used in practice
Propofol
ketamine
alfaxalone
advantages of using propofol
rapid metabolism and recovery
non-irritant
free from hangover
disadvantages of using propofol
may cause apnoea
may cause hypotension
may cause twitching and spontaneous muscle movement
advantages of using alfaxalone
rapid smooth induction
minimal cardiorespiratory depression
rapid elimination from the body
disadvantages of using alfaxalone
needs to have a good pre-med to work to have a smooth induction
patient must be kept quiet during the recovery period
what is the advantages of placing an IV catheter prior to an induction?
correct placement decreases the risk of the injection going extravascular
provides rapid IV access incase of an emergencies
allows deepening of anaesthesia
allows for IV fluids to be administered
what type of drug is Propofol?
it is a water soluble phenol anaesthetic
what type of drug is alfaxalone?
it is a steroid anaesthetic
what type of drug is ketamine?
it is a dissociative anaesthetic which has some analgesic properties
advantages of using ketamine
has analgesic properties
airways reflex is maintained
absorbed through the mucus membrane
disadvantages of using ketamine
slow onset
poor muscle relaxant
eye remain open
