The first branch is the right carotid and does not classify as a RAA branching pattern; one may be fooled into believing this is a left aortic ... hypoplastic and elongated transverse arch ...
Residual hypoplasia of the aortic cross or isthmus ... Following surgery, the median systolic gradient across the aortic arch decreased from 17 mmHg to 1 mmHg, and the mean diameter of the ...