31 results
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
On the chest x-ray ... there is an ill-defined ... Clinical #Radiology #CXR ... AirBronchogram #RUL ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... consolidation - Multifocal ill-defined ... Clinical #Radiology #CXR ... Consolidation #Patterns #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
usually multiple ill-defined ... streptococcus pneumoniae ... are organizing pneumonia ... Radiology #Pulmonary #CXR ... Differential #Table #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
larger ones are ill-defined ... excludes eosinophilic pneumonia ... of organizing pneumonia ... Clinical #Radiology #CXR ... OrganizingPneumonia #BOOP #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
lesions than the chest ... The chest film shows ... two ill-defined ... Clinical #Radiology #CXR ... SepticEmboli #Cavity #RadiologyAssistant
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Diagnosis and Management ... • Pleuritic chest ... infiltrate by chest ... Yield of blood CX ... be initiated in adults
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae ... Epidemiology - 10% adult ... Physical Exam, CXR ... #Streptocccus #Pneumoniae ... microbiology #diagnosis #management
First study the CXR.
Notice the subtle increased density in the area behind the heart that needs
First study the CXR ... was a lower lobe pneumonia ... Clinical #Radiology #CXR ... #LLL #Pneumonia ... SilhouetteSign #RadiologyAssistant
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Diagnosis and Management ... cause: Aspiration pneumonia ... for Klebsiella pneumonia ... Blood cultures • CXR ... early disease) • CXR
Cavitation - Pneumonia
In virulent pyogenic infections an abscess may form within the consolidated lung as a
be seen on the chest ... are usually very ill ... usually not that ill ... Clinical #Radiology #CXR ... CavitaryPneumonia #RadiologyAssistant