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References OMIM Gene GeneReviews HGMD HGNC
last update : 27/09/2005
Symbol SSS1
Location 3p22.2
Name Sick sinus syndrome 1
Other name(s)
  • Sick sinus syndrome
  • sinus bradycardia syndrome, familial
  • Corresponding gene SCN5A
    Main clinical features
  • syncope, presyncope, dizziness, and fatigue
  • at electrocardiogram typically sinus bradycardia, sinus arrest, and/or sinoatrial block, and episodes of atrial tachycardias coexisting with sinus bradycardia
  • Genetic determination autosomal recessive
    Function/system disorder cardiovascular
    Type disease
    Gene product
    Name sodium channel, voltage-gated, type V, alpha