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Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... there are four patterns ... is interstitial lung ... The cystic pattern ... pattern on a CXR
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
COVID-19 Patterns ... of Lung Findings ... Crazy-Paving Pattern ... Subpleural Curvilinear Lines ... pediatrikradyoloji #COVID19 #Patterns
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
correlation in normal lung ... artifact); (G) UIP pattern ... subpleural, basal reticular ... Diagnosis #HRCT #POCUS ... #Lung #Correlation
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Patterns of pulmonary ... For comparison, ... with each (dashed lines ... FlowVolume #Loops #Patterns ... #Comparison #Normal
B-lines are visualized as hyperechoic vertical artifacts arising from the pleural line and extending off the
B-lines are visualized ... erasing the A-line ... pattern #Clinical ... Radiology #PCC #POCUS ... #Lung #BLines #
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Interstitial - Reticular ... Diseases #Radiology #Patterns ... #Lung #CXR #XRay
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... result in decreased lung ... - Emphysema - Lung ... low attenuation pattern ... Differential #Diagram #Comparison
Whenever you see an area of increased density within the lung, it must be the result
density within the lung ... of these four patterns ... tissue of the lung ... fine or coarse reticular ... Consolidation #Patterns
COVID-19 on Lung POCUS

1&4: Diffuse B Line pattern with skipped segments and alveolar shred / small
COVID-19 on Lung ... POCUS 1&4: Diffuse ... B Line pattern ... Lichtenstein’s Light Beam pattern ... #POCUS #Ultrasound
A-Lines vs B-Lines on Lung POCUS
A-Lines:
 • Predominately horizontal lines
 • A-lines are repeated horizontal &
on Lung POCUS ... Commonly seen in dry lungs ... #BLines #Lung # ... POCUS #pulmonary ... #clinical #comparison