Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial metastatic CA, Bronchial carcinoid, Kaposi's sarcoma
 • Foreign Bodies
 • Trauma
 • Fistulas
 • Dieulafoy lesion
Parenchyma:
 • Infection: TB, Paragonimus westermani, PNA, Lung abscess, Aspergillosis
 • Rheumatic/lmmune: Goodpastures, Lupus Pneumonitis, GPA, Behcet syndrome, Idiopathic pulmonary hemosiderosis
 • Genetic
 • Coagulopathy
 • Cocaine
Cardiac/Vascular:
 • AVMs such an Osler-Weber-Rendu syndrome
 • Valvular Disease
 • Left Heart Failure

SCVMC Internal Medicine @SCVMCMed

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