A complete echocardiographic evaluation for aortic stenosis requires quantitative ... recordings provide an accurate assessment of peak and mean gradients. The aortic valve area can be calculated ...

Aortic stenosis is described as mild ... gradient is used in the Gorlin equation to calculate the AVA, not the peak gradient. The cardiac output is calculated using either the Fick principle ...

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 ...

Aortic stenosis (AS) occurs when the orifice of ... is used in the Gorlin equation to calculate the AVA, not the peak gradient. The cardiac output is calculated using either the Fick principle ...