IRCT2015042812072N3 IRCT 2015-05-24 Isfahan University of Medical Sciences Ketamine with Morphine in Pain Relief Comparison of Intravenous Ketamine with Morphine in Pain Relief of Long Bones Fractures 2012-01-01 anticipated 126 Complete https://irct.ir/trial/12205 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. 4 Condition 1: Long Bone Fracture. Condition 2: Long Bone Fracture. Intervention 1: Intervention group receiving IV ketamine at a dose of 0.5 mg/kg. The severity of pain will registere before injection and 10 minutes after injection based on Numeric Rating Scaleth. In cases in which pain will not subside after 10 minutes (a decrease in pain severity equal to or less than 3), the patient will receive half the initial dose again. Intervention 2: Control group receiving IV morphine at a dose of 0.1 mg/kg. The severity of pain will registere before injection and 10 minutes after injection based on Numeric Rating Scale. In cases in which pain will not subside after 10 minutes (a decrease in pain severity equal to or less than 3), the patient will receive half the initial dose again.