There are three types of bicuspid aortic valves — types 0, 1, and 2. Experts classify these types based on whether the leaflets of the valve have fused to form a ridge. A bicuspid aortic valve is a ...

Young people have heart valves with a rich blood-vessel supply. Studies in a variety of animal models show that by maturity, older adults don't normally have blood vessels in their valves. ‘Aortic ...