Familial Associations of Complete Atrioventricular Block : A National Family Study in Sweden
BACKGROUND: Complete atrioventricular block (CAVB) is a major reason for implantation of permanent pacemakers, but knowledge of CAVB inheritance is sparse. This nationwide study aimed to determine the occurrence of CAVB in first-, second-, and third-degree relatives (full siblings, half-siblings, and cousins).METHODS: The Swedish multigeneration register was linked to the Swedish nationwide patien