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10 Cards in this Set
- Front
- Back
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Maintenance Drugs
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Keep pt asleep / Volatile Inhalation Drugs--not on card; note breathing circuit--FGF determined by vaporizer and flowmeter settings, Fi det.
By FGF rate, breathing circuit volume and circuit absorption, FA (alveolar gas [c]) determined by uptake, ventilation, and [c] effect / 2nd gas effect, Fa (arterial gas [c]) affected by ventilation / perfusion mismatching; MAC-Minimum Aveolar Concentration, or the [c] of the anesthetic vapor needed to prevent movement in 50% of patients in response to pain / surgical stimulus; MAC allows for comparison of potency, values are additive, 1.3MAC prevents mvmt in 95% of pts, 6% decrease in MAC per decade of age starting in 20s, values listed below are for 50 year olds; Pulmonary System--All volatiles INCREASE RR, DECREASE Tidal Volume-->net effect of decreased Minute Ventilation--> rapid shallow breathing, also Decrease ventilatory response to both hypoxemia and hypercarbia and decrease functional residual capacity (FRC); Note that SEVO has byproduct Compound A--Use high flows (2L / min) and DES has byproduct of Carbon Monoxide; ISO-purple, Des-Blue, Sevo-yellow. SID = mnemonic, most to least metabolized in the liver Maintenance Drugs Group 6 |
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Maintenance Drugs
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In pharmacokinetics, a loading dose refers to an initial higher dose of a drug that may be given at the beginning of a course of treatment before dropping down to a lower _____ dose.
A loading dose is most useful for drugs that are eliminated from the body relatively slowly. Such drugs need only a low _____ dose in order to keep the amount of the drug in the body at the appropriate level, but this also means that, without an initial higher dose, it would take a long time for the amount of the drug in the body to reach that level. |
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Isoflurane
Drug (trade name) |
Isoflurane
Maintenance Drugs Group 6 |
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Isoflurane
Class |
Maintenance Drugs
Group 6 |
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Isoflurane
Uses |
Maintenance
Maintenance Drugs Group 6 |
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Isoflurane
[ Supplied ] |
Maintenance Drugs
Group 6 |
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Isoflurane
Dosing--card |
N / A
Maintenance Drugs Group 6 |
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Isoflurane
Dosing--Stever |
MAC 1.1%
Maintenance Drugs Group 6 |
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Isoflurane
Caution |
Highly Potent, A / W irritant, trickles to fat and prolongs emergence, min metabolism 0.2%(breathe out most of what we just breathed in)
Maintenance Drugs Group 6 |
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Isoflurane
Notes |
Very stable CV changes-minimal at 1 Mac, smells bad
Maintenance Drugs Group 6 |
