Fig. 2From: Intranasal ketamine for acute traumatic pain in the Emergency Department: a prospective, randomized clinical trial of efficacy and safetyAverage Pain Reduction in 5 min intervals between groups. The average VAS score for each group was graphed along with standard deviations. Intranasal Ketamine and IV morphine showed similar pain reduction, with IM morphine showing slower pain reduction over timeBack to article page