The angiographic severity is graded on a scale of 1+ to 4 ... Circulation;2020;55d-e(e126).) Mitral valve replacement decreases symptoms of mitral regurgitation; however, data are lacking ...

Background Although the prognostic implications of severe mitral regurgitation (MR) are well recognised, they are less clear ...

Aortic regurgitation occurs when blood flows retrograde (backwards) across the aortic valve ... the severity of aortic regurgitation — again, mostly afterload. The angiographic grading scale ...