The EKG in the patient treated with tricyclic antidepressants

Associate Editor-In-Chief:

Electrocardiographic Findings

 * 1) EKG changes are observed in 20% of patients who are at therapeutic doses
 * 2) Prolongation of the QTc, displacement of the ST segment, T wave abnormalities, QRS widening, supraventricular and ventricular tachycardias can all occur.
 * 3) In overdose, widening of the QRS is frequent, and there is also QTc prolongation