Topical anaesthesia in upper gastrointestinal endoscopy.
D000772:Anesthesia, Local / Q000009:adverse effects*; D016099:Endoscopy, Gastrointestinal; D006321:Heart / Q000187:drug effects; D006801:Humans; D008012:Lidocaine; D011292:Premedication
D008012:Lidocaine