Myocardial uptake of bupivacaine: I. Pharmacokinetics and pharmacodynamics of lidocaine and bupivacaine in the isolated perfused rabbit heart.

Abstract

Bupivacaine, but not lidocaine, may cause severe cardiac dysrrhythmias in case of accidental intravascular injection. In an attempt to discriminate between a pharmacokinetic and a pharmacodynamic (or both) origin to these differences, we used an isolated rabbit heart model with constant coronary inflow to compare the myocardial uptake and disposition… (More)

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