Accelerated idioventricular rhythm electrocardiogram
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
EKG characteristics
- Regular rhythm at a rate of 40 to 100-120 BPM.
- QRS complexes are abnormal and wide.
- The ventricular complexes are usually but not necessarily dissociated from the P waves.
- Ventricular capture and fusion beats are common.
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An example of accelerated idioventricular rhythm (AIVR) -
AIVR. Inverted P waves are sign of retrograde atrial activation.
References
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