general anaesthetics Flashcards
1
Q
describe some physical methods used to decrease responsiveness to pain
A
- decrease body temperature
* low atmospheric pressure
2
Q
DEFINE: minimum alveolar concentration
A
the lowest concentration of the drug required to achieve a state of anaesthesia in 50% of patients
3
Q
what is the Meyer-Overton rule?
A
correlation between oil:gas partition co-efficient and potency of general anaesthetic
4
Q
what are the 4 stages of anaesthesia?
A
- analgesia
- excitement = exaggerated reflexes e.g. gagging, kicking
- surgical anaesthesia
- medullary paralysis
