The hard work began after Walters had her aortic valve replaced with one from a cow.
Even though he underwent an aortic valve replacement in 2008, he insists he has no intention of retiring anytime soon.
The aortic valve has the same structure as the pulmonary, though the cusps are more massive.
He describes all the varying forms of affections of the aortic valve, with their various clinical manifestations.
He maintained that disease of the aortic valve should receive the name Corrigan's disease.
aortic valve n.
The valve between the left ventricle of the heart and the ascending aorta, consisting of three semilunar cusps.