A complete echocardiographic evaluation for aortic stenosis requires quantitative and qualitative evaluation of LV function, structural changes in the aortic cusps, sinus of valsalva, proximal ...
However, when V 1 is greater than 1 m/s, which may be seen in concomitant AR or a high output state, it should be included in the formula. The mean pressure gradient is derived from the average ...