Lidocaine Spray vs Viscous Lidocaine Solution Plus Lidocaine Spray in Patients Undergoing Non-Sedated EGD

Pharyngeal anesthesia using a topical lidocaine spray was administered in the preprocedure room, in the absence of the endoscopist or the research assistant. 5 minute before the UGE without any sedation

Pharyngeal anesthesia using topical viscous lidocaine solution + lidocaine spray were administered in the preprocedure room, in the absence of the endoscopist or the research assistant. 5 minute before the UGE without any sedation