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 ...
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 ...