Airway stabilization if large volume hemoptysis or problems with oxygenation/ventilation (>8.0 ETT preferable)
IV corticosteroids - high dose Methylprednisolone Q6H
Bronchoscopy to obtain BAL and localize/address source of bleeding if localizable
Management of Hemoptysis
Correct any coagulopathy
Consider nebulized TXA if massive
Correct any coagulopathy
Consider nebulized TXA if massive
Diffuse alveolar hemorrhage
Idiopathic small vessel vasculitis
Immersion pulmonary edema
Granulomatosis with polyangiitis 
Flash pulmonary edema
Churg-Strauss syndrome
Reexpansion pulmonary edema
Microscopic polyangitis