EKG Dictionary
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Junctional & ventricular rhythms

Ventricular trigeminy

Also calledventricular trigeminy PVC pattern · ventricular trigeminy

Definition

A repeating pattern in which a premature ventricular contraction follows every two normal (usually sinus) beats, so that every third beat is a PVC. Each PVC has the usual premature, abnormally shaped QRS that is usually wider than 120 ms.

Source

  1. Koester C, Ibrahim AM, Cancel M, Labedi MR. The ubiquitous premature ventricular complex. Cureus. 2020;12(1):e6585. doi.org/10.7759/cureus.6585

Last reviewed 2 October 2026. Every definition in the EKG Dictionary cites the guideline, consensus statement or original paper it comes from.

More in Junctional & ventricular rhythms

Accelerated idioventricular rhythm (AIVR) Accelerated junctional rhythm Coupling interval Idioventricular rhythm Junctional ectopic tachycardia (JET) Junctional escape rhythm Junctional rhythm Junctional tachycardia Monomorphic VT Polymorphic VT Premature ventricular contraction (PVC) R-on-T phenomenon Retrograde P wave Torsades de pointes Ventricular bigeminy Ventricular couplet Ventricular fibrillation Ventricular tachycardia (VT)

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