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BACKGROUND Left ventricular longitudinal shortening plays an important role in cardiac contraction and can be measured by the mitral annulus motion (MAM) toward the cardiac apex. MAM can be evaluated(More)
BACKGROUND Mechanical left ventricular (LV) dyssynchrony impairs cardiac function in patients with heart failure and LV hypertrophy (LVH) and may be a factor contributing to the high incidence of(More)
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