Split screen echocardiographic image in parasternal long axis view showing aortic regurgitation jet

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Split screen echocardiographic image in parasternal long axis view showing aortic regurgitation jet 

echocardiographic image in parasternal long axis view showing aortic regurgitation jet
Echocardiographic image in parasternal long axis view showing aortic regurgitation jet

Left panel shows 2-D (two dimensional) image in earl diastole indicated by the mitral leaflets (AML: anterior mitral leaflet and PML: posterior mitral leaflet) in partially open position. LV: left ventricle, RV: right ventricle; LA: left atrium. Aortic valve (AoV) is seen as grossly thickened and calcified. The right panel shows the multi coloured (mosaic) jet of aortic regurgitation (AR Jet) along the ventricular surface of the AML. It may be noted that the AML forms the posterior boundary of the left ventricular outflow tract. Mosaic nature of the colour jet indicates high velocity and turbulence, which is usual with aortic regurgitation as the diastolic pressure in the left ventricle is low while that in the aorta is high, producing a high pressure gradient.