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In this illustration the lower lobe arteries are coloured blue because they contain oxygen-poor blood.
They have
more vertical orientation ... towards the left atrium ... #CXR #Lateral # ... LeftAtrium #PulmonaryArteries ... PulmonaryVeins #RadiologyAssistant
PA view
On the PA chest-film it is important to examine all the areas where the lung
the silhouette sign ... we will discuss later ... Clinical #Anatomy #Radiology ... #CXR #Normal #Labeled ... ParatrachealStripe #RadiologyAssistant
On a chest film only the outer contours of the heart are seen.
In many cases we
heart figure is normal ... On the lateral view ... #Anatomy #Radiology ... #CXR #Atrium #Ventricle ... Cardiac #Chambers #RadiologyAssistant
Lateral view
On a normal lateral view the contours of the heart are visible and the IVC
a normal lateral ... entering the right atrium ... #CXR #Lateral # ... Normal #Labeled ... #RadiologyAssistant
The findings are:
 - Large density on the left with loss of cardiac silhouette.
 - High
possibly also partial ... #Clinical #Radiology ... #CXR #Lateral # ... Collapse #Luftsichel #Sign ... LuftsichelSign #RadiologyAssistant
Pectus excavatum
In patients with a pectus excavatum the right heart border can be ill-defined, but this
ill-defined, but this is normal ... produces a silhouette sign ... The lateral view ... #CXR #Pectus #Excavatum ... #RadiologyAssistant
There is a right lower lobe atelectasis.
Notice the abnormal right border of the heart.
The right interlobar
adjacent to the right atrium ... arrow) and the normal ... #Clinical #Radiology ... #CXR #Lateral # ... Atelectasis #RadiologyAssistant
Right lower lobe atelectasis
Chest x-rays of a 70-year old male who fell from the stairs and
Notice the abnormal ... adjacent to the right atrium ... #Clinical #Radiology ... #CXR #Lateral # ... Lobar #Collapse #RadiologyAssistant
Dilation of the azygos vein is a sign of increased right atrial pressure and is usually
azygos vein is a sign ... increased right atrial ... #Clinical #Radiology ... #CXR #CHF #Azygous ... AzygousVein #Dilatation #RadiologyAssistant