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Anes > Inhalation Anes (Agents) > Flashcards

Inhalation Anes (Agents) Flashcards

1
Q

inhalation anesthetics generally safe but at high doses can cause

A

hypothermia, hypoventillation, CNS depression, cardiac depression

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2
Q

1st discovered anes gas

A

diethyl ether

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3
Q

group of inhalent anesthetics that evaporate into O2 in vaporizer

A

Halogenated Organic Compounds

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4
Q

Halothane properties; VP, solubility coefficient, and MAC

A

high VP, moderate solubility coefficient, MAC low (.87%)

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5
Q

positive effects of halothane

A

rapid induction (bc high VP), ok muscle relaxation

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6
Q

neg effects of halothane

A

poor analgesic, resp. depressent, bradycardia, sensitizes heart to catecholamines (epinephrine), can lead to arrhythmia, malignant hyperthermia

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7
Q

halothane reversing agent

A

dantrolene

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8
Q

elimination of halothane is __% lungs, __ % liver/kidneys

A

85% lungs, 15% liver/kidney

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9
Q

most potent halogenated inhalant in use

A

isoflurane

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10
Q

Isoflurane properties; VP, solubility coefficient, MAC

A

VP=high(rapid induction)
low solubility coefficient (rapid induction/recovery)
MAC 1.2% (good potency)

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11
Q

elimination of isoflurane is __% lungs and __% liver/kidneys

A

> 99%lungs, 0.2% liver/kidney

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12
Q

which inhalent is good for trauma patients, cardiopatients, liver/kidney disease patients, geriatrics and neonates

A

isoflurane

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13
Q

negative effect of isoflurane

A

poor analgesia during recovery (give painkillers)

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14
Q

sevoflurane properties; VP, solubility coefficient, MAC

A

high VP, lower solubility coefficient than isoflurane (induction/recovery faster), MAC 2.0% (less potent than iso)

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15
Q

Sevoflurane elimination is __ % liver/kidney

A

2-5%

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16
Q

human anesthetic inhalent

A

Desflurane

17
Q

Halogenated organic compound w fastest induction/recovery time

A

desflurane (human med)

18
Q

Desflurane properties; VP and solubility coefficient

A

high VP, low solubility coefficient

19
Q

desflurane elimination is __% via liver/kidney

A

.02%

20
Q

nitrous oxide (N2O) solubility coefficient, MAC

A

solubility coefficient low (less than iso, rapid induction/recovery), MAC 188% (v low)

21
Q

N2O potentiates effect of another gas so the amount of the primary gas can be decreased ____%

A

20-30%

22
Q

pros of using N2O

A

potentiates effects of gas used and speeds up its uptake/induction
excellent analgesic on its own

23
Q

when mixing N2O and O2, mix __% N2O and __% O2

A

70% N2O, 30 % O2 (any higher N2O -> hypoxia)

24
Q

con of N2O

A

diffusion hypoxia possible- when N2O and O2 turned off, N2O diffuses back into lungs and displaces O2

Anes (29 decks)

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