https://pgc1signal.com/index.p....hp/advances-in-the-r
The structural changes of the left ventricle or left atrium are a contributing factor to secondary mitral regurgitation (MR). Left ventricular dilation (global or regional) in cases of cardiomyopathy (ischemic or nonischemic) frequently results in the displacement, tethering, and improper closure of the papillary muscles and heart valve leaflets. Atrial fibrillation, a factor in patients' left atrial dilation and altered mitral annular geomet
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