• aorta
  • Most dissections of the ascending aorta and intramural hematomas begin within a few centimeters of the aortic valve ( Fig. 1 ). (onlinejacc.org)
  • During imaging it is important to not only determine the size of the aorta but also the shape, particularly the loss of the normal "waist" of the aorta at the sinotubular junction. (onlinejacc.org)