From the case:
Aortic root anatomy (CTA)
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Oblique coronal CTA of the aortic root demonstrating relevant anatomy.
Case Discussion
The aortic root is located between the aortic annulus (the junction of the outflow tract of the left ventricle and the aortic valve) and the sinotubular junction (where the ascending aorta originates).
These dimensions are required for TAVI planning.