Sjogren syndrome presenting as atrioventricular block in an adult

A woman in her late teens with a history of Juvenile idiopathic arthritis (JIA) and ongoing sicca symptoms presented with syncope. Upon admission, she was found to be bradycardic with a second-degree atrioventricular (AV) block. After infectious, structural and metabolic aetiologies had been ruled out, she was worked up for rheumatologic causes.Our patient had elevated titres of anti-Sjogren syndrome (SS) antibodies anti-Ro antibodies and was diagnosed with AV block secondary to SS. She was treated with a permanent pacemaker. Patient was followed up in clinic where she denied further syncopal episodes and was started on secretagogues for sicca symptoms.