As far as we can tell, while currently blinded, the time to onset of sedation has ranged anywhere from 6 minutes to just over 20 minutes. Patients who reached adequate sedation did not ever require "rescue" doses of additional ketamine to complete the laceration repairs, which were limited to simple lacerations less than 5 cm and did not require a consult service to perform the repair. Recovery times have been comparable to patients who have received IV ketamine. Unfortunately, since we are still blinded at this time, we cannot make any further comments regarding a specific dose and its effect.
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As with all antipsychotic agents HALDOL has been associated with persistent dyskinesias. Tardive dyskinesia, a syndrome consisting of potentially irreversible, involuntary , dyskinetic movements, may appear in some patients on long-term therapy or may occur after drug therapy has been discontinued. The risk appears to be greater in elderly patients on high-dose therapy, especially females. The symptoms are persistent and in some patients appear irreversible. The syndrome is characterized by rhythmical involuntary movements of tongue, face, mouth or jaw (., protrusion of tongue, puffing of cheeks, puckering of mouth, chewing movements). Sometimes these may be accompanied by involuntary movements of extremities and the trunk.