This visual aid reviews the pathogenesis and differential diagnosis, including ANCA vasculitis (GPA, MPA, EGPA), anti-basement membrane disease (anti-GBM), as well as other diseases that can present similarly (SLE & other rheum diseases), and infections. It also explains how diffuse alveolar hemorrhage (DAH) is diagnosed and how to interpret ANCA testing and renal pathology.
v1.0 (2021-06-04)