Reversible atrioventricular block associated with closure of atrial septal defects using the amplatzer device
Kenji Suda, MD*,
Marie-Josée Raboisson, MD ,
Eric Piette* ,
Nagib S. Dahdah, MD, FACC ,* and
Joaquim Miró, MD, FRCP
* Division of Pediatric Cardiology, Department of Pediatrics, Tenri Hospital, Tenri, Japan
Department of Cardiology, Hôpital Louis Pradel, Lyon, France
Division of Cardiology, Hôpital Sainte-Justine, University of Montreal, Montreal, Canada

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Figure 1 Complete atrioventricular block (ventricular rate 74 beats/min) in a 5-year-old patient 24 h after implantation of a 28-mm Amplatzer device (a) and normal atrioventricular conduction at one-month follow-up (b).
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Figure 2 Echocardiographic apical four-chamber view of the same patient as in Figure 1. Note the close proximity of the right atrial disc of the Amplatzer device (A) to the tricuspid annulus at the atrioventricular junction (arrow).
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