12 results
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Malformation Normal CXR ... Abnormalities • CHF ... Bronchiectasis • Pulmonary ... polyangiitis / microscopic ... Vascular • Pulmonary
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
polyangiitis, microscopic ... - Alveolar proteinosis ... Others: - Pulmonary ... abnormalities (Pulmonary ... infarction/PE, CHF
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
Notice the air-fluid ... patient is a woman, lymphangioleiomyomatosis ... airways leading to pulmonary ... Clinical #Radiology #CXR ... #Pneumothorax #Lymphangioleiomyomatosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Definition: Diffuse alveolar ... polyangiitis, Microscopic ... • Labs: CBC, cr ... , anti-CCP • CXR
On the left another patient with alveolar edema at admission, which resolved after treatment.
When you scroll
another patient with alveolar ... distribution of pulmonary ... Clinical #Radiology #CXR ... #CHF #Alveolar ... #Pulmonary #Edema
Noninvasive Positive Pressure Ventilation (NIPPV)

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
can "recruit" alveoli ... In CHF, decreases ... exacerbation (cardiogenic pulmonary ... patients (ie., CHF ... excess facial hair
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
consolidations and air ... redistribution of the pulmonary ... Clinical #Radiology #CXR ... #CHF #Alveolar ... #Pulmonary #Edema
Basics of Waveform Capnography
Waveform capnography assesses ventilation by monitoring exhaled carbon dioxide
Can use measurement and morphology
data regarding pulmonary ... Assessing ROSC during CPR ... dead space, then alveolar ... PHASE Ill - Alveolar ... output state - Pulmonary
Air Bronchogram - Portable anterior–posterior chest radiography showed dense airspace disease with bilateral hemithorax opacification and
Air Bronchogram ... opacification and air ... the surrounding alveoli ... Clinical #Radiology #CXR ... #Bronchogram #NEJM
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
Notice the air-fluid ... patient is a woman, lymphangioleiomyomatosis ... airways leading to pulmonary ... Clinical #Radiology #CXR ... #Pneumothorax #Lymphangioleiomyomatosis