Tricyclic antidepressant overdose

DDx

Other anticholinergic poisoning, eg, atropine, scopolamine, antihistamines
Other causes of QRS widening, eg, hyperkalemia, antiarrhythmics, bundle branch block
Other causes of seizure, eg, epilepsy, hypoglycemia, drug withdrawal
Sympathomimetic poisoning, eg, cocaine, amphetamines

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