Why the study?
Does subcutaneous lidocaine injection for local anesthesia result in substantial blood concentrations in patients undergoing cardiac electrophysiologic studies?
Does subcutaneous lidocaine injection for local anesthesia result in substantial blood concentrations in patients undergoing cardiac electrophysiologic studies?
This study investigates whether local anesthesia with lidocaine prior to EP studies produces systemic blood concentrations that could confound electrophysiologic testing.
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Lidocaine levels may confound EP testing; leaves open optimal local anesthesia protocols.
Nattel et al. (1979) studied this question.
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