<unk>  <unk>  is a life-threatening condition
It is a subset of Pulmonary<unk>  involving the microcirculation involving<unk>  microvasculature
Most commonly the result of systemic vasculitis
Diffuse alveolar hemorrhage
Idiopathic small vessel vasculitis
Immersion pulmonary edema
Granulomatosis with polyangiitis 
Flash pulmonary edema
Churg-Strauss syndrome
Reexpansion pulmonary edema
Microscopic polyangitis