Dexmedetomidine is a

Ref: KD Tripathi pharmacology 7th edition (page.no: 384) Dexmedetomidine is a centrally active a2A agonist It is introduced for sedating critically ill/ventilated patients in the intensive care unit. It is used as an adjunct to anaesthesia. Analgesia and sedation are produced with little respiratory depression, amnesia, or anaesthesia