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McMaster Textbook of Internal Medicine

Ventricular Arrhythmias

How to Cite This Chapter: Acosta Velez JG, Amit G, Hernández Ruiz EA, Trusz-Gluza M, Leśniak W. Ventricular Arrhythmias. McMaster Textbook of Internal Medicine. Kraków: Medycyna Praktyczna. https://empendium.com/mcmtextbook/chapter/B31.II.2.6.16.1.1. Accessed October 23, 2024.
Last Updated: June 20, 2022
Last Reviewed: June 20, 2022
Chapter Information

Definition and EtiologyTop

Ventricular tachycardias (VTs) are wide-QRS rhythms (QRS complex >120 milliseconds) that originate in the ventricle. Depending on the presence and type of structural heart disease, they are classified into 3 main types:

1) Idiopathic VT.

2) VT following myocardial infarction.

3) VT in nonischemic cardiomyopathy.

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