Hemorragia alveolar difusa en lupus eritematoso sistématico.Una entidad poco frecuente. Reporte de un caso y revisión de la literatura / Diffuse alveolar hemorrhage in systemic lupus erithematosus. An infrequent disorder

Diffuse alveolar hemorrhage (DAH) is a catastrophic and usually fatal complication in Systemic Lupus Erythematosus (SLE), it is not so frecuent,<2 por ciento. It was first described by Osler in 1904. The reported mortallity is 70-90 por ciento, though recent works indicate an improvement in survival. 57 well documented DAH cases complicating SLE were reported in the English literature up to now