Abstract
This report tests the hypothesis that, in early diastole, motion of the anterior left atrial wall corresponds to the motion that can be observed in the contiguous posterior wall of the aortic root. To test this hypothesis, we examined the effects of mitral stenosis, exercise in normals, exercise induced left ventricular ischemia, left ventricular hypertrophy and left ventricular dysfunction on this slope. Each altered early diastolic atrioventricular interaction as predicted and therefore, the early diastolic motion of the anterior left atrial wall does appear to be mirrored by the early diastolic slope of the posterior wall of the aortic root. Consequently, if interpreted in the clinical context, measurement of early diastolic slope of the posterior wall of the aortic root may serve as a useful guide to separate patients with severe from those with mild mitral stenosis.
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