Use of dexemditomidine
DexmedetomidineIt is a centrally acting a-2 adrenergic agonistIt is approved by f.D.A for sho-term (<24 hours) continuous IV sedation of adults who are tracheally intubatedIts use as an anaesthetic agent is not recommended but it is useful in patients with brain injury and ongoing sedation needs.(Refer: Morgan and Mikhail's Clinical Anaesthesiology, 5th edition, pg no. 288)