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Documented Transient Third-Degree Atrioventricular Block and Asystole in a Child with Familial Dysautonomia

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Abstract

An 11-year-old boy with familial dysautonomia presented with palpitations. Continuous 24-h Holter monitoring revealed intermittent high-grade atrioventricular block and asystole. The unopposed parasympathetic tone in patients with dysautonomia may make them susceptible to bradycardia and atrioventricular block. We recommend routine 24-h Holter monitoring screening and, when indicated, consideration of pacemaker implantation to reduce the high risk of sudden death phenomena in this patient population.

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Acknowledgment

Amichay Rotstein, M.D., was supported by a fellowship grant from the Medical Research Institute Council (MRIC), Children’s Memorial Hospital, Chicago, Illinois.

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Correspondence to Amichay Rotstein.

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Rotstein, A., Charrow, J. & Deal, B.J. Documented Transient Third-Degree Atrioventricular Block and Asystole in a Child with Familial Dysautonomia. Pediatr Cardiol 29, 202–204 (2008). https://doi.org/10.1007/s00246-007-9057-3

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  • DOI: https://doi.org/10.1007/s00246-007-9057-3

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