Imaging
CXR
Nml in 30% (most of whom end up having bronchitis)
Chest CT with IV contrast
Indicated for gross<unk>  or suspicious CXR
Bronchoscopy
Labs
CBC
Coags
Sputum stain/culture
Chem (Cr)
T&S/T&C
Urinalysis (autoimmune)
ECG (pulmonary hypertension/PE)
CXR
Nml in 30% (most of whom end up having bronchitis)
Chest CT with IV contrast
Indicated for gross<unk>  or suspicious CXR
Bronchoscopy
Nml in 30% (most of whom end up having bronchitis)
Indicated for gross<unk>  or suspicious CXR
CBC
Coags
Sputum stain/culture
Chem (Cr)
T&S/T&C
Urinalysis (autoimmune)
ECG (pulmonary hypertension/PE)
Massive = A single expectoration of ≥ 50cc OR >600cc/24h
Rare, occurring in 1-5% of patients.
May differentiate from hematemesis with pH litmus paper<unk>  tends to be alkaline
Hematemesis tends to be acidic, and stomach acid tends to turn bright red blood in stomach to brown/black fragments unless massive
Rare, occurring in 1-5% of patients.<unk>  tends to be alkaline
Hematemesis tends to be acidic, and stomach acid tends to turn bright red blood in stomach to brown/black fragments unless massive
Hemoptysis
Epistaxis
Tracheostomy bleeding
Oropharynx bleeding
Chest wall pain
Hematemesis
Chest pain 
Infectious