Volatile Anesthetic Flashcards

1
Q

Nitrous Oxide Saturated Vapor Pressure (mm Hg)?

A

38,628

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2
Q

Halothane Saturated Vapor Pressure (mm Hg)?

A

243

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3
Q

Isoflurane Saturated Vapor Pressure (mm Hg)?

A

239.5

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4
Q

Sevoflurane Saturated Vapor Pressure (mm Hg)?

A

157

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5
Q

Desflurane Saturated Vapor Pressure (mm Hg)?

A

669.2

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6
Q

Nitrous Oxide MAC value?

A

105%

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7
Q

Halothane MAC value?

A

0.74%

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8
Q

Isoflurane MAC value?

A

1.15 %

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9
Q

Sevoflurane MAC Value?

A

2.05%

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10
Q

Desflurane MAC value?

A

6.0%

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11
Q

Nitrous Oxide Blood/Gas coefficient?

A

0.47

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12
Q

Halothane Blood/Gas coefficient?

A

2.3

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13
Q

Isoflurane Blood/Gas coefficient?

A

1.4

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14
Q

Sevoflurane Blood/Gas coefficient?

A

0.69

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15
Q

Desflurane Blood/Gas coefficient?

A

0.42

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16
Q

Nitrous Oxide Brain/Blood, Muscle/Blood, and Fat/Blood coefficients?

A

BB 1.1
MB 1.2
FB 2.3 (Least soluble/Potent)

17
Q

Halothane Brain/Blood, Muscle/Blood, and Fat/Blood coefficients?

A

BB 2.9
MB 3.5
FB 60 (Most potent VA/ most soluble)

18
Q

Isoflurane Brain/Blood, Muscle/Blood, and Fat/Blood coefficients?

A

BB 2.6
MB 4.0
FB 45

19
Q

Sevoflurane Brain/Blood, Muscle/Blood, and Fat/Blood coefficients?

A

BB 1.7
MB 3.1
FB 48

20
Q

Desflurane Brain/Blood, Muscle/Blood, and Fat/Blood coefficients?

A

BB 1.3
MB 2.0
FB 27

21
Q

What VA is most likely to cause Malignant Hyperthermia?

A

Halothane

22
Q

Time Constant = _______/________

A

capacity of the system/ flow into the system

23
Q

1 Time constant =

A

63% change

24
Q

2 Time constants =

A

85% change

25
Q

3 TC =

A

95% Change

26
Q

4 TC =

A

98% Change

27
Q

equation for Uptake of VA?

A

Cardiac output X B/G coefficient X ((PA-PV/BP mmHG)

28
Q

MAC BAR

A

Blunt Autonomic Responses

30-40% greater than MAC

29
Q

MAC

A

ED 50 - 50percent pt wont move to surgical incision

30
Q

MAC awake

A

1/3 to 1/4 MAC

31
Q

What is the last sense lost and first regained during induction and emergence?

A

Hearing

32
Q

What percentage of CO do pediatrics’ VRG get when compared to adults?

A

Kids = 18% —- Adults 6-10% weight
Kids have higher Induction of CO to VRG
Kids = faster induction than adults