A 5 year old male with no previous medical history is brought to the ER by his mother because he accidentally ingested a large dose of rat poison. He is conscious but appears quite agitated. On physical exam, he is found to have a blood pressure of 110/70 and a hea rate of 90. Labs are significant for an elevated PT but a normal PTT. The patient should be immediately treated with?
Atropine Flumazenil N-acetylcysteine Vitamin K