Overview the Effect of Spray on Propofol Injection Pain Status: Completed Trial end date: 2016-11-01 Target enrollment: Participant gender: Summary While propofol is widely used an anesthetic induction medication, it causes the mild to moderate pain. Investigators will investigate the effect of ethyl chloride spray on propofol injection pain. Phase: Phase 4 Details Lead Sponsor: The Catholic University of KoreaTreatments: Ethyl ChlorideLidocainePropofol