The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 41-year-old man is brought to the emergency department after a suicide attempt. His wife found him on the bathroom floor with an empty bottle of medication next to him. He has a history of major depressive disorder. His only medication is nortriptyline. His pulse is 127/min and blood pressure is 90/61 mm Hg. Examination shows dilated pupils and dry skin. The abdomen is distended and there is dullness on percussion in the suprapubic region. An ECG shows tachycardia and a QRS complex width of 130 ms. In addition to intravenous fluid resuscitation, which of the following is the most appropriate pharmacotherapy?   (A) Naloxone   (B) Cyproheptadine   (C) Ammonium chloride   (D) Sodium bicarbonate
['(D) Sodium bicarbonate <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Naloxone \n (B) Cyproheptadine \n (C) Ammonium chloride \n (D) Sodium bicarbonate <> possible answers', '  A 41-year-old man is brought to the emergency department after a suicide attempt. His wife found him on the bathroom floor with an empty bottle of medication next to him. He has a history of major depressive disorder. His only medication is nortriptyline. His pulse is 127/min and blood pressure is 90/61 mm Hg. Examination shows dilated pupils and dry skin. The abdomen is distended and there is dullness on percussion in the suprapubic region. An ECG shows tachycardia and a QRS complex width of 130 ms. In addition to intravenous fluid resuscitation, which of the following is the most appropriate pharmacotherapy? <> context@']