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Pleural fluid
It takes about 200-300 ml of fluid before it comes visible on an CXR (figure).
About
#Diagnosis #Radiology ... #Pulmonary #CXR ... #PleuralEffusion ... #Pleural #Effusion ... Volume #Diagram #RadiologyAssistant
Pleural effusion is bilateral in 70% of cases of CHF.
When unilateral, it is slightly more often
be visible on a PA ... #Clinical #Radiology ... #CXR #CHF #Pleural ... #Effusion #PleuralEffusion ... #RadiologyAssistant
On a lateral image of CXR effusion of > 75 ml could be visible- where there
lateral image of CXR ... effusion of > 75 ... to be seen on a PA ... doc #Hidden #PleuralEffusion ... #Clinical #Radiology
Pleural effusion is seen in:
1. Pulmonary edema
2. Lymphangitic spread of carcinoma - often unilateral
3. Tuberculosis
4. Lymphangiomyomatosis
Pleural effusion ... Pulmonary edema ... Asbestosis #Diagnosis #Radiology ... #Effusion #PleuralEffusion ... #Differential #RadiologyAssistant
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
so, on an erect PA ... with signs of CHF ... #Clinical #Radiology ... #CXR #CHF #Pleural ... SubpulmonicEffusion #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
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
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
Especially in patients who had recent cardiac surgery an enlargement of the heart figure can indicate
Ultrasound demonstrated ... #Clinical #Radiology ... #CTS #CXR #PostSurgical ... #Pericardial #Effusion ... PericardialEffusion #RadiologyAssistant
On the left another patient with congestive heart failure.
The lateral view nicely demonstrates the increased diameter
diameter of the pulmonary ... #Clinical #Radiology ... #CXR #CHF #Peribronchial ... PeribronchialCuffing #RadiologyAssistant