au-acem MCQ (SBA): Tricyclic antidepressant poisoning

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A 30-year-old man presents to the emergency department with agitation, hyperthermia (38.9°C), dilated pupils, dry skin, urinary retention and tachycardia after ingesting a large amount of an unknown antidepressant in a suicide attempt. ECG shows a broad QRS and right axis deviation. Which poisoning is most likely?

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au-acem MCQ: Tricyclic antidepressant poisoning — Answer & Explanation