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Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
between the stomach bubble ... with signs of CHF ... #Clinical #Radiology ... #CXR #CHF #Pleural ... SubpulmonicEffusion #RadiologyAssistant
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
patient who had a CT ... to rule out pulmonary ... #Clinical #Radiology ... SeptalThickening #CHF ... #RadiologyAssistant
On the left another patient with a large cardiac silhouette on the chest x-ray due to
Pericardial effusion ... on the coronal CT-reconstruction ... #Clinical #Radiology ... #CXR #CTChest # ... PericardialEffusion #RadiologyAssistant
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
with asthma or CF ... CT demonstrated ... #Clinical #Radiology ... #CXR #CTChest # ... Mucus #Plugging #RadiologyAssistant
Congestive heart failure
The findings are:
 - bilateral perihilar consolidation with air bronchograms and ill-defined borders
 -
heart size - subtle ... are dealing with pulmonary ... #Clinical #Radiology ... #CXR #CHF #RadiologyAssistant
Here another patient who had valve-replacement.
Notice the large heart size.
There is redistribution of the pulmonary vessels
redistribution of the pulmonary ... #Clinical #Radiology ... #CTS #CXR #PostSurgical ... #Pericardial #Effusion ... PulmonaryEdema #RadiologyAssistant
Pleural effusion is bilateral in 70% of cases of CHF.
When unilateral, it is slightly more often
Pleural effusion ... 70% of cases of CHF ... #Clinical #Radiology ... #CXR #CHF #Pleural ... #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
The pulmonary vascular ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization ... Redistribution #RadiologyAssistant
Pleural fluid
It takes about 200-300 ml of fluid before it comes visible on an CXR (figure).
About
visible on an CXR ... #Diagnosis #Radiology ... #Pulmonary #CXR ... PleuralEffusion #Pleural #Effusion ... Volume #Diagram #RadiologyAssistant
On the left another patient with alveolar edema at admission, which resolved after treatment.
When you scroll
distribution of pulmonary ... #Clinical #Radiology ... #CXR #CHF #Alveolar ... #Pulmonary #Edema ... AlveolarEdema #RadiologyAssistant