A 19-year-old female ingested an unknown quantity of Elavil and Ativan approximately 3 hours ago. She is slow to answer your questions and her speech is slurred. Her BP is 80/60 mm Hg, her pulse is 150 beats/min, and her respirations are 22 breaths/min. The ECG reveals sinus tachycardia with QRS complexes that measure 0.08 seconds. Treatment should include:
A) 1 mEq/kg of sodium bicarbonate.
B) sequential 20 mL/kg IV fluid boluses.
C) 1 to 2 g/kg of activated charcoal.
D) 0.4 to 2 mg of naloxone slow IV push.