Diffuse alveolar hemorrhage in rheumatic diseases: Clinical features, diagnosis, and management
{{output}}
Diffuse alveolar hemorrhage (DAH) is a catastrophic pulmonary manifestation of systemic autoimmune and rheumatic diseases, particularly systemic lupus erythematosus (SLE), ANCA-associated vasculitis (AAV), and antiphospholipid syndrome (APS). It arises from im... ...