In patients greater than age 65, more than 90% of aortic stenosis involves trileaflet valves which have developed heavy calcification. [5] In these instances the calcium deposits are thought to ...

Each heavy vertical line represents two-tenths second. Note the double systolic sound associated with the double summit of the pulsus bisferiens in this case of severe aortic stenosis. The purpose ...

High blood flow velocity across the stenotic aortic valve in an elderly patient compatible with a mean pressure gradient of about 60 mm Hg and a valve area of about 0.6 cm2 calculated by the ...