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This study was undertaken to test the accuracy of formulas we recently developed for the sonographic estimation of the weight of very preterm fetuses. The formulas were used to determine estimated… (More)
To study the effect of heart rate changes on Doppler measurements of mitral valve area atrial pacing was performed in 14 patients with mitral stenosis and sinus rhythm. Continuous wave Doppler and… (More)
OBJECTIVES This exercise study assessed the relation between valvular resistance and flow in patients with mitral stenosis. BACKGROUND Valvular resistance has been proposed as an alternative… (More)
SummaryTo quantify valve area in mitral stenosis, a modified continuity equation method using continuous wave Doppler and thermodilution measurements was applied. In 14 patients with mitral stenosis… (More)