74 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Organizing Pneumonia ... COVID19 #Patterns #Lung ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... involvement of the lung ... these patterns are ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... On the chest x-ray ... weight loss or long ... an acute lobar pneumonia ... #Clinical #Radiology
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Atelectasis, ARDS, Pneumonia ... Embolism, Obstructive Lung ... , Interstitial Lung
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... opacities are scattered ... throughout the lungs ... rarely typical pneumonia ... #Radiology #differential
Empyema Necessitans (EN) on Chest POCUS

Pulmonary teaching case: you are called to the bedside of a
teaching case: you are ... was admitted for pneumonia ... a week ago. ... #clinical #video ... #Lung
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... excludes eosinophilic pneumonia ... of organizing pneumonia ... #Clinical #Radiology ... Distribution #Organizing #Pneumonia
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
densities iin the left lung ... , which are probably ... cavitation in the right lung ... #Clinical #Radiology ... #CXR #CTChest #
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
There are multiple ... also organizing pneumonia ... #Clinical #Radiology ... #CTChest #COP # ... Cryptogenic #Organizing #Pneumonia
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
the consolidated lung ... be seen on the chest ... These images are ... #Clinical #Radiology ... #CXR #CTChest #