Accelerated Idioventricular Rhythm | Reference Guide
EKG Features
Rate: 50-120 bpmRhythm: Regular
P Wave: Absent
PR Interval: Not measurable
QRS: Wide (>0.10 sec), bizarre looking
Accelerated idioventricular rhythm (AIVR) is a ventricular rhythm with three or more consecutive monomorphic beats with gradual onset. AIVR occurs when the ectopic ventricular pacemaker rate is greater than the sinus node rate. It is usually benign.
External Source:
Accelerated Idioventricular Rhythm | Reference Guide Example
Authors, Reviewers and Developers
EKG rhythms classes: Thomas O'Brien.EKG monitor simulation: Steve Collmann
12 Lead Lecture: Dr. Michael Mazzini, MD, Cardiologist.
Spanish EKG: Breena R. Taira, MD, MPH
Medical review: Dr. Jonathan Keroes, MD, Cardiologist,
Dr. Barbara Erickson, PhD, RN, CCRN.
EKG tracings medical review: Dr. Pedro Azevedo, MD, Cardiology
Last Update: 11/7/2022
Return to EKG Reference Guide Index
"