IRCT20160307026950N51 IRCT 2023-06-02 Esfahan University of Medical Sciences Check the effect of ketamine and Midazolam in EUD A comparison of the sedative effect of oral Midazolam versus nazal Ketamine combined with Nitrous Oxide in pediatric EUA 2023-06-22 anticipated 30 Complete https://irct.ir/trial/70345 interventional Randomization: Randomized, Blinding: Triple blinded, Placebo: Used, Assignment: Parallel, Purpose: Prevention, Randomization description: Randomization will be done by the simple method in which each patient will be assigned a code using a random number table (Random allocation software) and Patients fall into one of two groups depending on whether these codes are even or odd. This continues until the number of patients in both groups reaches the required number, Blinding description: This is a three-way blind clinical trial; in such a way that The clinical caregiver who is responsible for the care and treatment of the participant in the study is blinded. The analysts who analyze the data collected during the study are also blinded. They do not know the type of intervention applied in each group and are blind. Even though the guardians of the patients are included in the study, they do not know about it They do not have the type of intervention applied and are blind. 2 Examination UnderAnaesthetic (EUA). Intervention 1: Intervention group: In the first group, one milligram of midazolam is given through the nose and prescribed only once. Intervention 2: Intervention group: The second group of ketamine is given 0.5 mg/kg through the nose and it is prescribed only once . Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no information