A 64-year-old woman in the emergency department has a generalised tonic-clonic seizure lasting more than 5 minutes and continues to seize despite a benzodiazepine. According to status epilepticus management protocols, what is the next best step?AAdminister second-line agent such as intravenous phenytoin or levetiracetamBWait for another 10 minutes to see if seizure stopsCAdminister intramuscular adrenalineDGive high-dose oral carbamazepineEPerform immediate lumbar puncture before further treatmentCheck my answer