A 68-year-old man after minor head trauma is on no anticoagulants and has normal neuro exam. He had loss of consciousness but GCS 15 on arrival. According to ACEP policy on mild TBI, which approach is appropriate?ADischarge without imaging in all casesBCT head decision support (e.g., Canadian CT Head Rule) to guide need for imagingCMandatory CT for all patients with LOCDMRI preferred over CTEObservation 48 hours mandatory before dischargeCheck my answer