The pathophysiologic changes caused by a calcified aortic valve are the same as those caused by other forms of aortic stenosis and are related to the pressure gradient that develops between the ...

Aortic stenosis, affecting nine million people globally, is often unnoticed as symptoms are mistaken for aging. This heart condition, common in elderly, restricts blood flow due to valve narrowing, ...

In principle, the blood volume passing through a stenotic valve (aortic stenosis) is equal to the blood volume proximal to the stenosis or in the LVOT (Figure 4). The stroke volume is equal to ...