Tricyclic antidepressants include

  Amitriptyline, Amitriptylinoxide, Amoxapine, Butriptyline, Clomipramine, Desipramine, Demexiptiline,

      Dibenzepin, Doxepin, Dimetacrin, Imipramine, Imipraminoxide, Lofepramine, Melitracen, Metapramine,

      Nitroxazepine, Noxiptiline, Pipofezine, Nortriptyline, Propizepine, Protriptyline, Quinupramine,


ECG abnormalities that may be observed during tricyclic antidepressant intoxication:

  Sinus tachycardia

  QT interval prolongation

  Torsades de pointes

  Atrioventricular blocks

  Widening of the QRS complex

  Right bundle branch block

  Brugada like ECG pattern

  Increased R wave amplitude and R/S ratio in lead aVR


  Chou's Electrocardiography in Clinical Practice. Adult and Pediatric.

      5th ed. Philadelphia. WB Saunders. 2001.

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