a reduced aorta caliber resulting from hypovolemia has been defined as an anteroposterior diameter smaller than 1.3 cm at 2 cm above and 2 cm below the origin of the renal arteries
a reduced aorta caliber resulting from hypovolemia has been defined as an anteroposterior diameter smaller than 1.3 cm at 2 cm above and 2 cm below the origin of the renal arteries