Anaesthesia Flashcards
Name 3 intravenous drugs which induce anaesthesia
propofol
thiopental
etomidate
What inhalation drugs are used to maintain anaesthesia?
mixture of oxygen, air and nitrous oxide
What are bendodiazepines used for?
premedication
reduce the amount of other agents required for anaesthesia
What is stage one a anaesthesia?
loss of consciousness
what is stage 2 of anaesthesia?
excitement, delirium
coughing, vomiting and struggling
what is stage 3 of anaesthesia?
state of surgical anaesthesia
what happens at stage 3 of anaesthesia?
loss of laryngeal reflex
pupils dilate
What is stage 4 of anaesthesia?
cessation of respiration - death
why do muscles need to be relaxed for anaesthesia?
allow for intubation
allows surgical access to body cavities
Name a short acting muscle relaxant
suxomethoniium
Name a long lasting muscle relaxant
atracurium
how do you maintain airway?
head tilt, chin lift
how do you identify a nasopharyngeal airway device?
with safety pin
when should a nasopharyngeal airway device not be used?
base of skull fracture
how is the oropharyngeal airway device sized?
from corner of the mouth to the angle of the mandible
