Ventricular rhythm and accelerated ventricular rhythm (idioventricular rhythm)
Ventricular rhythm and accelerated ventricular rhythm (idioventricular rhythm) In this article you will learn about ventricular rhythm and accelerated ventricular rhythm. The latter may also be referred to as idioventricular rhythm. These arrhythmias are important to recognize on the ECG . Ventricular tachycardia is discussed in the subsequent article. This article will discuss the two following arrhythmias, both of which originate in the ventricles: Ventricular rhythm Accelerated ventricular rhythm , which is also called idioventricular rhythm . The hallmark of all ventricular rhythms is the wide QRS complex (QRS duration ≥0.12 s). The QRS complex is wide simply because the ectopic impulses that cause these rhythms spread partially or entirely outside of the ventricular conduction system, and thus the ventricular depolarization is slow (yielding a wide QRS complex). Because the ventricular depolarization is abnormal, the repolarization will also be abnormal (read about secondary ST-T changes …
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