<prompt> There is an increased incidence of emergence delirium with ketamine in all of the following condition except:-Age 15 yearsFemale genderDose of ketamine 1mgkgA history of personality disorders  <response>: High dose 2 mg kg is associated with postoperative delirium. predisposing factors for postoperative delerium seen with intravenous ketamine 1. high dose of ketamine 2. female gender 3. a history of personality disorder 4. adult 5. prior intravenous glycopyrolate 