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Henry Ford Hospital Medical Journal

Abstract

We identified 22 patients with angiographic left ventricular cavity obliteration (LVCO), of whom 15 were available for M-mode and two-dimensional echocardiographic evaluation. All 15 patients had chest pain, and 13 had long-standing hypertension. Electrocardiographic evidence of left ventricular hypertrophy was present in ten patients. The echocardiographic criterion for LVCO was apposition of the left ventricular septum with the left ventricular posterior endocardium during systole as demonstrated by either M-mode or two-dimensional systems. LVCO was demonstrated during systole by M-mode echocardiography in seven of 15 patients and by two-dimensional echocardiography in 14 patients. LVCO could not be demonstrated in ten randomly selected patients with normal left ventricular angiograms. Only four patients had significant coronary artery disease. Symmetric or asymmetric left ventricular hypertrophy is an important pathophysiological mechanism in the production of LVCO, and two-dimensional echocardiography is useful in its identification.

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