research Inaugural complete heart block in anti-SSA negative systemic lupus erythematosus: the diagnostic role of anti-PM-Scl 100 antibodies
This study reported a rare case of a young woman with complete heart block as the initial sign of systemic lupus erythematosus despite being negative for anti-SSA antibodies, highlighting the diagnostic utility of anti-PM-Scl 100 antibodies and nailfold capillaroscopy.
