R-wave amplitude changes in lead aVL predict outcomes in cardiac resynchronization therapy: Exploring the role of papillary muscle dyssynchrony and mitral regurgitation
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Background: Reduction in R-wave amplitude in lead aVL (RaVL) is often noted after cardiac resynchronization therapy (CRT), together with a shorter QRS duration and reduced mitral regurgitation (MR). Given that lead aVL reflects e... ...
