<prompt> All are criteria for CT head in trauma ExceptGCS 13 at presentationGCS 14 at 2 hoursDetion of mouthOne episode of vomiting  <response>: More than one episode requiredIndications for CT head in traumaGCS 13 at any pointGCS 13 or 14 at 2 hoursFocal neurological deficitSuspected open, depressed or basal skull fractureMore than one episode of vomitingAny patient with a mild head injury over the age of 65 years or with a coagulopathy, for instance, warfarin use, should be scanned urgentlyDangerous mechanism of injury or antegrade amnesia 30 minutes warrants CT within 8 hoursBailey and Love 26e 314 