| Hematologic | | Coagulopathy | | Disseminated intravascular coagulation | | Thrombocytopenia, platelet dysfunction | | Infection | | Fungal infection (eg, mycetoma) | | Lung abscess | | Necrotizing pneumonia | | Parasitic infection | | Septic pulmonary emboli | | Tuberculosis | | Viral infection | | Neoplastic | | Bronchogenic carcinoma | | Metastatic cancer | | Systemic diseases | | Anti-GBM (Goodpasture) syndrome | | Granulomatosis with polyangiitis | | Systemic lupus erythematosus | | Vasculitis | | | Pulmonary | | Bronchiectasis | | Bullous emphysema | | Cystic fibrosis | | Pulmonary embolism | | Iatrogenic from diagnostic or therapeutic procedure | | Bronchoscopy | | Pulmonary artery rupture | | Swan-Ganz catheter-induced infarction | | Transtracheal aspiration | | Drugs or toxins | | Anticoagulants | | Aspirin | | Thrombolytic agents | |
