Review Question - QID 108555

A 19-year-old female college student is brought to the emergency department by her friend who found her unusually lethargic and unresponsive. Her friend informs the physician that she has asthma, a history of “some eating disorder,” and depression for which she is taking an unknown medication. He says she drinks socially and smokes marijuana. On physical exam, the patient is somnolent and ill-appearing. The patient's temperature is 99.5°F (37.5°C), blood pressure is 85/60 mmHg, pulse is 110/min, and respirations are 9/min. Her skin is hot, dry and flushed, and pupils are dilated. An EKG is done and the results are shown in Figure A. Which of the following is most likely to be the appropriate treatment for this patient?