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, ...

Systole is normally the highest pressure point generated. The aortic valve opens, rapid ejection occurs, and the ventricle delivers 66%-75% of its stroke volume. [1] Thereafter, flow velocity ...

This is an emergency, Conner said. About 50% of people who have an aortic dissection die at home. Of the other 50% who make ...