A 24-year-old man presents 4 hours after ingestion of 12 g acetaminophen. Serum acetaminophen at 4 hours is 180 µg/mL. What is the next best step?AStart N‑acetylcysteine immediatelyBDischarge with reassuranceCGive hemodialysis urgentlyDCheck LFTs in 24 hours before treatingEStart charcoal only; NAC not needed after 4 hoursCheck my answer