Advanced atrioventricular block in a neonate with lupus erythematosus and anti-SS-A antibodies.

Recent studies suggested that the involvement of anti-SS-A and anti-SS-B antibodies in the pathogenesis of neonatal lupus erythematosus and congenital heart block. We here describe a female neonate with lupus erythematosus, advanced atrioventricular block, and a positive test for anti-SS-A antibodies. The findings of His-bundle recordings are presented.