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Accelerated Idioventricular Rhythm in Newborns: A Worrisome But Benign Entity with or without Congenital Heart Disease

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Abstract

Broad QRS rhythms (fast and slow) are worrisome findings in newborns. We present five cases with varied clinical presentations found to have broad QRS tachycardias, consistent with idioventricular rhythms. Each patient had an excellent prognosis because the tachycardias resolved, and eventually the patients were in sinus rhythm. None were symptomatic from their arrhythmia. It is important to establish the diagnosis when it occurs to differentiate this benign phenomenon from dangerous ventricular tachycardia.

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Acknowledgment

We thank Dr. SuChiung Chen, Cardinal Glennon’s Children Hospital, Saint Louis University.

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Authors and Affiliations

  1. The Heart Institute for Children North and South Campuses— Lutheran General Hospital, Park Ridge, IL, 60068, USA

    I. Dubrow

  2. Hope Children’s Hospital, Oak Lawn, IL, 60453, USA

    I. Dubrow

  3. Saint Louis University, Cardinal Glennon Children’s Hospital, Pediatric Cardiology R A515, 1465 S. Grand Boulevard, St. Louis, MO, 63104, USA

    G. Freire

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  1. G. Freire
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  2. I. Dubrow
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Correspondence to G. Freire.

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Freire, G., Dubrow, I. Accelerated Idioventricular Rhythm in Newborns: A Worrisome But Benign Entity with or without Congenital Heart Disease. Pediatr Cardiol 29, 457–462 (2008). https://doi.org/10.1007/s00246-007-9024-z

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  • DOI: https://doi.org/10.1007/s00246-007-9024-z

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