AANA journal
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Review Case Reports
Isoproterenol-induced elevated bispectral indexes while undergoing radiofrequency ablation: a case report.
The use of bispectral index (BIS) for monitoring neuronal function under general anesthesia has been expanding in practice. However, the meanings of the values are not always clear and have been shown to be altered by such drugs as ketamine, ephedrine, and physostigmine. ⋯ The patient reported no intraoperative recall despite BIS values in the high 70s. This case reinforces that BIS values require interpretation and can only be relevant to the circumstances of the individual case.