Peak filling rate normalized to mitral stroke volume: A new Doppler echocardiographic filling index validated by radionuclide angiographic techniques
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چکیده
منابع مشابه
Peak filling rate normalized to mitral stroke volume: a new Doppler echocardiographic filling index validated by radionuclide angiographic techniques.
The noninvasive measurement of left ventricular filling has relied predominantly on radionuclide-derived peak filling rate normalized to end-diastolic volume. Doppler echocardiography also has the ability to measure peak filling rate, but wide application of this technique has been limited by technical errors involved in quantitative echocardiographic determination of mitral anulus cross-sectio...
متن کاملEffect of respiratory suspension on the computation of volume-based early peak filling rate to late peak filling rate ratio
Background In the intact circulation, changes in intrathoracic pressure and/or lung volume will simultaneously induce alterations in cardiac volumes, output, and contractility among other alterations [1]. In this study, we evaluate the impact of respiratory suspension on the computation of volume-based early peak filling rate (EPFR) to late peak filling rate (LPFR) ratio using peak velocitybase...
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To determine the relationship between Doppler-derived flow velocity through the mitral anulus and angiographic parameters of left ventricular filling, 30 patients were studied by two-dimensional echocardiography combined with pulsed Doppler echocardiography followed within 1 hr by left ventricular angiography. The average heart rate for each test was 69 beats/min. Doppler-derived parameters inc...
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OBJECTIVES The aim of this study was to assess exercise-induced changes in stroke volume and their main determinants in mitral stenosis. BACKGROUND The mechanisms of the stroke volume response to exercise in mitral stenosis are not clearly established. METHODS Twenty-seven patients with mitral stenosis, aged 47 +/- 13 years, and 10 healthy control subjects, aged 46 +/- 11 years, were examin...
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In order to investigate the functional effects of mitral valve surgery, echocardiograms showing left ventricular dimension were recorded and digitised in 14 normal subjects and 129 patients after mitral valve surgery. Measurements were made of peak rate of increase of dimension (dD/dt) and duration of rapid filling, studies on left ventriculograms in 36 patients having shown close correlation b...
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ژورنال
عنوان ژورنال: Journal of the American College of Cardiology
سال: 1988
ISSN: 0735-1097
DOI: 10.1016/0735-1097(88)90458-5