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Mediastinal Widening - Differential Diagnosis

 • Vascular: Aortic dissection, Aortic anourysm, Enlarged pulmonary arteries, Venous or
or middle lobe collapse ... Middle mediastinal, Posterior ... Pneumomediastinum, Pericardial effusion ... • CXR rotation ... #radiology
Left Atrium
 - The upper posterior border of the heart is formed by the left atrium.
Atrium - The upper posterior ... Forms the lower posterior ... #Anatomy #Radiology ... #CXR #Lateral # ... Cardiac #Chambers #RadiologyAssistant
Left lower lobe atelectasis - There is a triangular density seen through the cardiac shadow.
This must
abnormality located posterior ... from anterior to posterior ... opposite #Clinical #Radiology ... #CXR #LLL #Lobar ... #Collapse #RadiologyAssistant
On a chest film only the outer contours of the heart are seen.
In many cases we
blood from the pulmonary ... just below the pulmonary ... #Anatomy #Radiology ... #CXR #Atrium #Ventricle ... Cardiac #Chambers #RadiologyAssistant
PA view
On the PA chest-film it is important to examine all the areas where the lung
The anterior and posterior ... anteriorly and posteriorly ... #Clinical #Anatomy ... #Radiology #CXR ... ParatrachealStripe #RadiologyAssistant
The left main pulmonary artery (in purple) passes over the left main bronchus and is higher
The left main pulmonary ... #Clinical #Anatomy ... #Radiology #CXR ... #Pulmonary #Artery ... #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 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
Untreated VSD on POCUS Echocardiogram

Crazy POCUS of an untreated VSD with with pulmonary hypertension, Eisenmenger syndrome,
VSD with with pulmonary ... and pericardial effusion ... isolated LV diastolic collapse ... SeptalDefect #Untreated #Cardiology ... #POCUS #Echocardiogram
In this illustration the lower lobe arteries are coloured blue because they contain oxygen-poor blood.
They have
orientation, while the pulmonary ... level of the main pulmonary ... #Anatomy #Radiology ... #CXR #Lateral # ... PulmonaryVeins #RadiologyAssistant