Anaesthesia Flashcards Preview

CMS > Anaesthesia > Flashcards

Flashcards in Anaesthesia Deck (13):
1

what IV drugs are used to induce anaesthesia?

propofol
thiopental
etomidate

2

what inhalation drugs are used to maintain and induce anaesthesia?

mixture of oxygen and air or nitrous oxide

3

what can be given as premedication and to reduce the amount of other agents needed for anaesthesia?

benzodiazepines

4

what are the stages of anaesthesia?

1 - Loss of consciousness
2- excitement/delirium, coughing/vomitting/struggling may occur
3- stage of surgical anaesthesia - from onset of automatic respiration to resp paralysis, laryngel reflex is lost and pupils dilate
4- cessation of resp to death

5

what do muscle relaxants do?

cause muscle paralysis allowing intubation and also surgical acces to body cavities

6

what is a short acting muscle relaxant?
long acting?

suxamethonium

atracurium

7

what kind of medical conditions may affect being able to be anesthatised?

cardiac
resp
diabetes
epilepsy
bleeding disorders

8

what cardiac problems are an issue with anaesthesia?

hypertension
angina
ischaemic heart disease
valvular heart disease

9

what resp problems are an inssue with anaesthesia?

COPD
asthma

10

what drugs may cause an issue with anaesthesia?

cardiac
inhalers
anticoagulants

11

what is malignant hyperthermia?

an inherited disorder of skeletal muscle only triggered by certain anaesthetic drugs
abnormal accumulation of calcium in muscle cells leads to hypermetabolism, muscle rigidity and muscle breakdown.

12

what are the signs of malignant hyperthermia?

unexplained increase in expired CO2 conc
unexplained tachycardia
unexplained increase in O2 requirement
temp increase

13

how is malignant hyerpthermia controlled?

dantrolene
active cooling of pt commenced