Aortic regurgitation can result from abnormalities of the aortic valve leaflets, dilation of the aortic root, or a severe increase in afterload. When the aortic leaflets are involved, there is ...

Mild poststenotic dilatation and increased left atrium/aortic root transverse ratio is noted. Blood flow velocity in the left ventricular outflow tract (LVOT) of the same patient (Figure 3 ...

Aortic regurgitation occurs when blood flows retrograde (backwards) across the aortic valve from the aorta into the left ventricle during diastole. This abnormal backflow of blood leads to ...