ANESTHETICS

7 cards | Total Attempts: 188 | Created by calliebauser | Last updated: Sep 23, 2015 | Total Attempts: 188

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Benzocaine

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Cards In This Set

Front	Back
Benzocaine	cannot ionize inhibits sodium channels opening from within membrane around channel
Tetrodotoxin	from viscera of puffer fish extremely potent blockers act on extracellular side of channel death by inhibiting respiratory muscles
Saxitoxin	Na channel blocker from dinoflagellate (red tide) extremely potent Blockers acts on extracellular side of channel death by inhibiting respiratory muscles
Cocaine	only LA that blocks norepinephrine uptake directly causes vasoconstriction
Tetracaine & Bupivacaine	highly protein bound which prologns local action LA
Bupivacaine	longer actin amide linked agent greater cardiac toxicity than lidocaine
Prilocaine	metabolized to o-toluidine can induce methemoglobinemia limited obstetrical procedure bc complicates evaluation of newborn