Patient Data
Gender: Female
From the case:
Cavo-atrial junction (chest x-ray)
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Normal chest x-ray demonstrating different methods of estimating the position of the cavo-atrial junction:
- yellow arrow: two vertebral body levels below the level of the carina
- blue arrow: intersection of bronchus intermedius with superior right heart border
- red arrow: intersection of the superior right heart border with SVC contour
Case Discussion
There are a few methods of estimating the location of the cavo-atrial junction on chest x-ray and they are mostly congruent to a discrete region.
Original image courtesy of Dr Usman Bashir, Radiopaedia.org (original file here). Creative Commons BY-SA-NC. Annotations: arrows added.