A complete echocardiographic evaluation for aortic stenosis requires quantitative ... determines the maximum peak pressure gradient. Therefore, maximum or peak instantaneous gradient is derived ...

The mean pressure gradient is derived from the average ... is automatically provided in the software from tracing of the aortic stenosis velocity envelope. The peak velocity is sensitive to ...

The SMART trial raised questions about balloon-expandable valves in small aortic annuli; these new data offer some answers.