A 10-year-old boy is brought to the emergency department after a prolonged generalized tonic-clonic seizure lasting over 10 minutes. He is still seizing despite the administration of intravenous lorazepam. What is the most appropriate next step in managing his status epilepticus?

The correct answer to the question "A 10-year-old boy is brought to the emergency department after a prolonged generalized tonic-clonic seizure lasting over 10 minutes. He is still seizing despite the administration of intravenous lorazepam. What is the most appropriate next step in managing his status epilepticus?" is Option C: Administer intravenous fosphenytoin or levetiracetam.

The other options — A) Administer another dose of lorazepam, B) Initiate continuous electroencephalography (EEG) monitoring, D) Prepare for emergent intubation and mechanical ventilation — are incorrect for this USMLE Exam Prep question. As explained above: After initial benzodiazepine failure in status epilepticus, a second-line antiepileptic drug like fosphenytoin, levetiracetam, or valproate should be administered to achieve seizure control. Repeat b…