Ventricular Arrhythmias

Chapter: Ventricular Arrhythmias
McMaster Section Editor(s): P.J. Devereaux
Section Editor(s) in Interna Szczeklika: Andrzej Budaj, Wiktoria Leśniak
McMaster Author(s): Juan Gabriel Acosta Velez, Guy Amit, Eder Augusto Hernández Ruiz
Author(s) in Interna Szczeklika: Maria Trusz-Gluza, Wiktoria Leśniak
Additional Information

Definition, 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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