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  • Title: Atypical posterior leaflet motion in echocardiogram in mitral stenosis.
    Author: Flaherty JT, Livengood S, Fortuin NJ.
    Journal: Am J Cardiol; 1975 May; 35(5):675-8. PubMed ID: 1124722.
    Abstract:
    The echocardiographic diagnosis of mitral stenosis is based on the finding of a decreased early diastolic slope of the anterior mitral leaflet. This finding is also seen in other conditions in which the rate of left ventricular filling is reduced by decreased compliance of the ventricular myocardium rather than by mitral valve obstruction. Patients with "true" mitral stenosis have been differentiated from those with decreased ventricular compliance resulting in "false" mitral stenosis by the direction of movement of the posterior mitral valve leaflet. This report describes a patient with mitral stenosis proved at cardiac catheterization whose echocardiogram showed posterior motion of thickened posterior mitral leaflet during diastole, a finding previously considered to exclude organic mitral stenosis. This false negative echocardiographic finding in proved mitral stenosis has not previously been reported.
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