11 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... ARDS 3. ... Consolidation 7. ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... which are probably consolidations ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Look for other signs ... pulmonay infection, ARDS ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #
Notice that even within each lobe there is a gravity dependent difference in density.
This is only
seen when the consolidations ... transudate like in CHF ... capillary leak like in ARDS ... #Clinical #Radiology ... #CTChest #CHF #
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
sign which consists ... hump along may aid ... CT angiography. ... #CriticalCare #Radiology ... #Cardiology #HamptonHump
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... pathogens - Viral ... #Radiology #differential ... diagnosis #pulmonary #CXR ... #clinical #CT
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
coughed up, a cavity ... is not seen in viral ... resolution of the consolidation ... #Clinical #Radiology ... #CXR #CTChest #
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
reversed halo sign ... aspergillosis; AIS ... **Includes cavitary ... lesions, lobular consolidation ... Diagnosis #Pulmonary #Radiology
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
CT will also demonstrate ... signs of congestive ... be high in the differential ... #Clinical #Radiology ... #CTChest #CHF #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • CT: Halo sign ... dyspnea • Lobar consolidation ... fever, cough and cavitary ... Infections #HIV #AIDS