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20 Cards in this Set

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MOA of general anesthetics
Most are thought to act at GABA-A receptor - chloride channel
Inhaled anesthetic with a low blood/gas partition coefficient
Nitrous oxide
Inversely related to potency of anesthetics
Minimum alveolar anesthetic concentration (MAC)
Inhaled anesthetics metabolized by liver enzymes which has a major role in the toxicity of these agents
Halothane and methoxyflurane
Most inhaled anesthetics SE
Decrease arterial blood pressure
Inhaled anesthetics are myocardial depressants
Enflurane and halothane
Inhaled anesthetic causes peripheral vasodilation
Isoflurane
Inhaled anesthetic that may sensitize the myocardium to arrhythmogenic effects of catecholamines and has produced hepatitis
Halothane
Inhaled anesthetic, less likely to lower blood pressure than other agents, and has the smallest effect on respiration
Nitrous oxide
Fluoride released by metabolism of this inhaled anesthetic may cause renal insufficiency
Methoxyflurane
Prolonged exposure to this inhaled anesthetic may lead to megaloblastic anemia
Nitrous oxide
Pungent inhaled anesthetic which leads to high incidence of coughing and vasospasm
Desflurane
DOC for malignant hyperthermia that may be caused by use of halogenated anesthetics
Dantrolene
IV barbiturate used as a pre-op anesthetic
Thiopental
Benzodiazepine used adjunctively in anesthesia
Midazolam
Benzodiazepine receptor antagonist, it accelerates recovery from benzodiazepine overdose
Flumazenil
This produces "dissociative anesthesia", is a cardiovascular stimulant which may increases intracranial pressure, and hallucinations occur during recovery
Ketamine
Opioid associated with respiratory depression, but is used in high risk patients who may not survive full general anesthetia
Fentanyl
State of analgesia and amnesia produced when fentanyl is used with droperidol and nitrous oxide
Neuroleptanesthesia
Produces both rapid anesthesia and recovery, has antiemetic activity and commonly used for outpatient surgery, may cause marked hypotension
Propofol