Ketamine is useful for inducing anaesthesia in shocked patients. It is also commonly used in low doses or infusions for the management of chronic pain. It can produce a state of 'dissociative anaesthesia', where patients are pain free, but not necessarily unconscious. Three small glass vials with different colour print labels on each containing 10ml Ketalar (Ketamine Hydrochloride).local anaesthetic, ketalar, ketamine hydrochloride, shock, parke davis