As the disease progresses, the peak moves to later in systole ... A2 is the area of the aortic valve and V2 is the velocity of flow at the aortic valve. All of the above except A2 can be directly ...

diameter may be measured for valve area calculation. Mild poststenotic dilatation and increased left atrium/aortic root transverse ratio is noted. Blood flow velocity in the left ventricular ...