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A 49-year-old man had cardiac arrest and prolonged QTC interval following an overdose of dofetilide and concomitant use of famotidine and ondansetron [not all dosages, routes and duration of treatment to reaction onset stated].
The man, who had a history of hypercholesterolaemia, atrial fibrillation, alcohol dependence and hypertension, presented to the emergency department (ED) with weakness at work and diaphoretic feeling. Few hours prior to admission, he developed nausea and vomiting. Initially, he was treated with lorazepam for...