Abstract:Mechanical left ventricular dyssynchrony can result from conduction system abnormalities like left bundle branch block (LBBB), scarring in the left ventricle from ischemic or non-ischemic cardiomyopathy, and significant left ventricular dilatation resulting in changes in gap junctions and ion channels thereby affecting conduction velocity. The end result of these processes is dyssynchronous contraction of the left ventricle, causing inefficient pump function. Resynchronization either by treatment of underlying… Show more
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