Familial cardiac arrhythmia.
D001145:Arrhythmias, Cardiac / Q000235:genetics*; D002648:Child; D004562:Electrocardiography; D005799:Genes, Dominant; D006321:Heart / Q000033:anatomy & histology; D006801:Humans; D014474:Unconsciousness / Q000209:etiology; D014693:Ventricular Fibrillation / Q000209:etiology