Although suprascapular nerve block reduces nausea & vomiting and improves patient satisfaction after shoulder surgery when compared to morphine alone, it results only in clinically insignificant objective improvement of analgesia.
Although there is some evidence that ketamine may reduce emergence delirium in children, it is generally low quality and inconsistent, and practice change is not recommended.
Epinephrine (adrenaline) likely improves return of spontaneous circulation and survival up to 3 months after out-of-hospital cardiac arrest when compared to other vasopessors.