best cardiac clinics near near me Two-dimensional (2D) echocardiography in Rheumatic Heart Disease (RHD) identifies valve damage, most commonly mitral valve issues, with mitral regurgitation in younger people and mitral stenosis in older adults. Key features include thickened, domed anterior mitral valve leaflets, restricted motion, fused commissures, and thickened chordae. Other conditions can include aortic valve disease, a enlarged left atrium, or bicuspid aortic valve in RHD patients.