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Uptodate Reference Title
Color flow Doppler of aortic regurgitation
Color flow Doppler of aortic regurgitation
The color flow Doppler from the long axis precordial view shows moderate aortic regurgitation (AR) with a jet width at its origin (vena contracta) about half of the left ventricular outflow tract (LVOT) diameter (arrow). Panel A is an M-mode echocardiogram with color flow Doppler, obtained from the two dimensional echocardiogram in the plane indicated by the dotted line (M-line); the AR jet is seen within the left ventricle (LV).