Abstract
Three cases of serious systemic toxicity from tetracaine pharyngeal anesthesia for upper endoscopic procedures are described. The pathophysiologic basis for systemic toxicity is discussed and a recommendation for preendoscopic anesthesia is provided.
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Patel, D., Chopra, S. & Berman, M.D. Serious systemic toxicity resulting from use of tetracaine for pharyngeal anesthesia in upper endoscopic procedures. Digest Dis Sci 34, 882–884 (1989). https://doi.org/10.1007/BF01540273
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DOI: https://doi.org/10.1007/BF01540273