Maternal Anti-Ro/SSA Autoantibodies and Prolonged PR Interval in a Competitive Athlete: Beyond Training-Induced Electrical Remodeling

Prolongation of the PR interval is common among competitive athletes. However, further investigations should be performed when the PR interval is markedly prolonged. We report the case of a young male athlete with an autoimmune-mediated atrioventricular block due to circulating anti-Ro/SSA-antibodies in the mother (late progressive congenital form). (Level of Difficulty: Advanced.).