What is the role of genetics in the etiology of pediatric right bundle branch block?

Updated: Jul 26, 2018
  • Author: Glenn T Wetzel, MD, PhD; Chief Editor: Syamasundar Rao Patnana, MD  more...
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Hereditary right bundle branch block was observed in four Lebanese families and has been mapped to chromosome 19. [2]

A subset of patients with Brugada syndrome have mutations in SCN5A, the gene that encodes for the voltage-gated cardiac sodium channel. [3, 4]

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