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Symptomatic atrial bigeminy masquerading as congenital complete heart block

Part of: Electrophysiology

Published online by Cambridge University Press:  21 September 2021

Ernesto Mejia Open the ORCID record for Ernesto Mejia [Opens in a new window] ,
Walter J. Hoyt  and
Christopher S. Snyder
Ernesto Mejia
Affiliation:
Division of Pediatric Cardiology, Department of Pediatrics, UH Rainbow Babies and Children’s Hospital, Cleveland, OH, USA Division of Pediatric Cardiology, Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, OH, USA
Walter J. Hoyt
Affiliation:
Division of Pediatric Cardiology, Department of Pediatrics, UH Rainbow Babies and Children’s Hospital, Cleveland, OH, USA Division of Pediatric Cardiology, Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, OH, USA
Christopher S. Snyder*
Affiliation:
Division of Pediatric Cardiology, Department of Pediatrics, UH Rainbow Babies and Children’s Hospital, Cleveland, OH, USA Division of Pediatric Cardiology, Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, OH, USA
*
Author for correspondence: Christopher S. Snyder, MD, Professor of Pediatrics, 11100 Euclid Ave, Suite 380, Cleveland, OH 44106, USA. Tel: +1 216 844 8529; Fax: +1 216 844 5478. E-mail: Christopher.snyder@uhhospitals.org
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Abstract

Newborn male with symptomatic bradycardia initially diagnosed with complete atrioventricular block. Isoproterenol drip was initiated, and the patient was scheduled for pacemaker implantation. During the hospital course, repeat electrocardiogram and Holter monitor revealed evidence of near continuous blocked atrial bigeminy with occasional aberrantly conducted premature atrial contractions. Flecainide was started, resulting in normal sinus rhythm, and the pacemaker implantation was cancelled.

Keywords

Atrial bigeminycomplete heart blockbradycardiapremature atrial contractions
Type
Brief Report
Information
Cardiology in the Young , Volume 32 , Issue 5 , May 2022 , pp. 830 - 832
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Copyright
© The Author(s), 2021. Published by Cambridge University Press

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