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The PA chest radiograph is the first in a series of three x-rays
taken prior to the 3D brachial plexus MRI/MRA/MRV scans. This x-ray
displays landmark anatomy, and is cross-referenced to the
MRI/MRA/MRV sequences. When the PA chest radiograph is taken, the patient's
hands are placed at the waist, which accentuates the forward rotation of
the shoulders. Bony abnormalities (such as a cervical rib, elongated
tranverse process of C7, clavicular fracture, or first rib anomalies),
if present, will be displayed in the PA chest radiograph.
[Note: This radiograph does not display any of these
bony abnormalities.]
This radiograph displays the anterior rotated heads of the clavicles (C)
over the 4th posterior intercostal spaces [between the fourth rib (4R)
and fifth rib], high anterior left first rib (FR) and left coracoid
process (CP) as compared to the right, and drooping of the right
shoulder as compared to the anterior rotated left shoulder.
A few labels have been placed on the image to assist with
identification of landmark anatomy. The clavicles (C), first ribs (FR),
fourth ribs (4R), coracoid processes (CP), aorta (A) and pulmonary
artery (PA) are labeled for reference.