Accelerated Idioventricular Rhythm | Reference Guide
EKG FeaturesRate: 50-120 bpm
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.
Accelerated Idioventricular Rhythm | Reference Guide Example
Authors, Reviewers and DevelopersEKG 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
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