Inhaled Agents Flashcards Preview

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Flashcards in Inhaled Agents Deck (47):
1

N2O MAC

104%

2

N2O blood gas partition coefficient

.47

3

N2O oil gas coefficient

1.4

4

N2O molecular weight

44

5

N2O boiling point

-88

6

N2O metabolism

None

7

N2O vapor pressure

38,770

8

Desflurane MAC

6%

9

Desflurane blood:gas coefficient

0.42

10

Desflurane oil:gas coefficient

18.7

11

Desflurane molecular weight

168

12

Desflurane boiling point

24

13

Desflurane metabolism

0.02%

14

Desflurane vapor pressure

669

15

Desflurane structure

6 fluorine atoms

16

Sevoflurane MAC

2%

17

Sevoflurane blood:gas coefficient

0.68

18

Sevoflurane oil:gas coefficient

50

19

Sevoflurane molecular weight

200

20

Sevoflurane boiling point

59

21

Sevoflurane metabolism

2%

22

Sevoflurane vapor pressure

157

23

Sevoflurane structure

7 fluorine atoms

24

Isoflurane MAC

1.17

25

Isoflurane blood:gas coefficient

1.43

26

Isoflurane oil:gas coefficient

99

27

Isoflurane molecular weight

184

28

Isoflurane boiling point

49

29

Isoflurane metabolism

0.20%

30

Isoflurane vapor pressure

238

31

Isoflurane structure

5 fluorine atom
1 chlorine atom

32

Halothane MAC

0.75

33

Halothane blood:gas coefficient

2.5

34

Halothane oil:gas coefficient

224

35

Halothane molecular weight

197

36

Halothane boiling point

50

37

Halothane metabolism

20%

38

Halothane vapor pressure

243

39

Halothane structure

1 bromine

40

N2O special considerations

Requires 100% O2 5-10 min due to concentration and 2nd gas effect
Has analgesic properties
Diffuses into air containing spaces
Cannot be used alone or would be a hypoxic gas mixture

41

Desflurane special considerations

Pungent
Rapid onset, offset
Increase SNS with rapid changes
Uses Tec 6 vaporizer
Produces CO
Ideal agent in obese patients

42

Sevoflurane special considerations

Non-pungent - Good for inhaled induction
Fast onset/offset
Produces compound A (FGF 1 l/min X 2 hours)

43

Isoflurane special considerations

Pungent
Slow onset/offset
Causes coronary artery vasodilation (coronary steal effect)
Produces CO
Ideal agent in CV surg

44

Increase wash in

Increase fresh gas flows
Increase ventilation
Decrease functional reserve capacity
Decrease CO
Decrease Pa-Pv

45

Decrease wash in

Decrease fresh gas flows
Decrease ventilation
Increase functional reserved capacity
Increase time constant
Increase dead space

46

Decrease uptake

Decrease solubility
Decrease CO
Decrease Pa-Pv Difference

47

Increase uptake

Increase solubility
Increase CO
Increase Pa-Pv