11 results
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Effusions • Pleural ... Interstitium • ILD ... • CHF • Sarcoidosis ... #Causes
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
adenopathy and pleural ... effusion; sometimes ... low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest
Pleural effusion is bilateral in 70% of cases of CHF.
When unilateral, it is slightly more often
Pleural effusion ... bilateral in 70% of cases ... of CHF. ... If pleural effusion ... #CXR #CHF #Pleural
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
restricted to areas ... effusions and parenchymal ... #Clinical #Radiology ... #CTChest #COP # ... Organizing #Pneumonia #ILD
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
The histologic pattern ... There are areas ... and extensive areas ... #CTChest #AIP # ... AcuteInterstitialPneumonia #ILD
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
An 86-year-old woman ... sudden-onset shortness of breath ... and spaces can cause ... from these areas ... in subcutaneous areas
â–º
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
shows diffuse areas ... and some mosaic pattern ... smoking #Clinical #Radiology ... #CTChest #DIP # ... DesquamativeInterstitialPneumonia #ILD
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
pneumonitis (2) The case ... with areas of ground-glass ... attenuation and areas ... scan, indicating air ... #CTChest #Chronic
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
effusion). ... severe diseased areas ... consolidations and air ... #Clinical #Radiology ... #CXR #CHF #Alveolar
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
A 39-year-old ... SpO2 88% on room air ... radiograph pattern ... Most commonly caused ... #Radiology #CTChest