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8 Cards in this Set
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Potent anesthetic (induces unconsciousness)
Weak analgesic (does not relieve pain as well) Bradycardia and potental cardiac arrhythmias Heavily metabolized in the liver, to toxic hydrocarbons (this is why it is not used any more) Used in children bc they lack the enzyme converting the drug to the toxic hydrocarbon Malignant Hyperthermia |
halothane
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Similar to Halothane
(less potent, faster induction and recovery, less toxicity) Can cause seizures and Malignant hyperthermia |
enflurane
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dantrolene
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neuromuscular blocker, blocks calcium channels
given to combat malignant hyperthermia |
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isoflurane
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Similar to Halothane and Enflurane but even low side-effect profile (less potent, fast
induction and recovery, less toxicity, no-seizure effect) • Most widely used |
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CNS depressant
• very lipid soluble but short acting (thus used as an induction agent) • Poor analgesic • Anesthetic action stops due to redistribution to other organs |
thiopental
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Similar to thiopental
• Thought to act via GABA-A • Used only as an induction agent • Does not induce cardiac and respiratory depression • Frequent involuntary muscle movements (requiring coadministration of benzodiazepines) |
etomidate
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Similar to thiopental
• Very rapidly metabolized, thus rapid recovery • Used for induction or maintenance of anesthesia • Poor analgesia (thus requires coadministration of opioids) • Lowers intracranial pressure |
propofol
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Short acting non-barbituate
• Provides “Dissociative Anesthesia” with sensory loss, sedation, amnesia, and immobility (also patient may appear awake but does not feel pain or remember) • Increases blood-flow, blood-pressure and cardiac out-put • Used mostly in children due to enhanced hallucinations in adults |
ketamine
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