Serious systemic toxicity resulting from use of tetracaine for pharyngeal anesthesia in upper endoscopic procedures.
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.
Patel
D
D
Department of Medicine, Brockton/West Roxbury Veterans Administration Medical Center, Massachusetts 02401.
Chopra
S
S
Berman
M D
MD
D000368:Aged; D000772:Anesthesia, Local / Q000009:adverse effects; D004384:Duodenoscopy; D004724:Endoscopy / Q000009:adverse effects; D004945:Esophagoscopy; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010614:Pharynx; D013748:Tetracaine / Q000009:adverse effects*
D013748:Tetracaine