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pubmed:abstractText |
Halothane more so than isoflurane potentiates an alpha1-adrenoceptor (alpha1-AR)-mediated action of epinephrine that abnormally slows conduction in Purkinje fibers and may facilitate reentrant arrhythmias. This adverse drug interaction was further evaluated by examining conduction responses to epinephrine in combination with thiopental and propofol, which "sensitize" or reduce the dose of epinephrine required to induce arrhythmias in the heart, and with etomidate, which does not, and responses to epinephrine with verapamil, lidocaine, and l-palmitoyl carnitine, a potential ischemic metabolite.
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