Inhalation agents Flashcards
1
Q
Name the 4 types?
A
Isoflurane Sevoflurane Desflurane Enflurane Halothene - hepatitis
2
Q
What are the function of inhalation agents?
A
Maintain amnesia
3
Q
Feature of Isoflurane? (1)
A
Least effect on organ blood flow
4
Q
Features of Sevoflurane? (2)
A
Sweet smelling
Inhalation induction
5
Q
Features of Desflurane? (3)
A
Low lipid solubility
Rapid on and offset
Long operations
6
Q
What is MAC (Minimum Alveolar Concentration)?
A
Minimum alveolar concentration to prevent reaction to a set surgical stimulus in 50% of patients (cut of a set depth and width).
7
Q
MAC’s of NO, Isoflurane, Sevoflurane, Desflurane, Enflurane?
A
NO: 104% Sevoflurane: 2% Isoflurane: 1.15% Desflurane: 6% Enflurane: 1.6%
8
Q
Factors increasing MAC?
A
hyperthermia, hyperthyroidism, alcoholism.
9
Q
Factors decreasing MAC?
A
increasing age, hypothermia, hypoxia, CNS depressants, other volatile agents, alpha-2 agonists.
