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(M3.GI.81) A 43-year-old male underwent an open cholecystectomy without intraoperative complications earlier today. In the several hours following the surgery, he has experienced severe nausea and vomiting that has been refractory to treatment with ondansetron. The surgical team elected to give the patient metoclopramide to control his symptoms. This effectively controlled his nausea and vomiting. However, 3 hours after receiving the first dose of metoclopramide, the patient experienced forceful, involuntary posturing as shown in Figure A. He is alert and responsive during this episode but has had some difficulty in speaking. Vital signs have remained unchanged within normal limits. After discontinuing the metoclopramide, which of the following is the best first step in management of this patient's condition? Topic Review Topic
FIGURES:   A          

1. PO valproic acid
2. IV haloperidol
3. PO diazepam
4. IV diphenhydramine
5. IM botulinum toxin

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