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The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... caused by Sterptococcus ... pneumoniae. ... Clinical #Radiology #CXR ... SilhouetteSign #RadiologyAssistant
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... most frequently caused ... The other cause ... Clinical #Radiology #CXR ... #PJP #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... include the list of causes ... caused by Streptcoccus ... Clinical #Radiology #CXR ... #RadiologyAssistant
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... from the various causes ... Look for other signs ... #CXR #Diffuse # ... #Differential #RadiologyAssistant
Lung Findings on Physical Exam
Crackles:
 • Short, discontinuous, sounds mostly heard during inspiration
 • Caused by
collapsed distal airways ... alveoli as seen in pulmonary ... edema and pneumonia ... Lung #Findings #Pulmonary ... PhysicalExam #diagnosis #signs
Causes of Acute Dyspnea - Differential Diagnosis Algorithm
Cardiovascular
 • Myocardial Infarction*
 • Cardiac Tamponade*
 • CHF
Pleural
Causes of Acute ... Parenchymal • Pneumonia ... Vascular • Pulmonary ... Embolism* Lower Airway ... AECOPD Upper Airway
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... inflammatory debris-small airways ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary
Lobar consolidation
The most common presentation of consolidation is lobar or segmental.
The most common diagnosis is lobar
diagnosis is lobar pneumonia ... Diagnosis #Radiology #Pulmonary ... #CXR #Lobar #Consolidation ... #Differential #RadiologyAssistant
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... • Infectious Causes ... Non-Infectious Causes ... , Pulmonary embolism ... Reverse #Halo #Sign
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
caused by streptococcus ... pneumoniae may ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation ... Differential #Table #RadiologyAssistant