1993
DOI: 10.1007/bf01145317
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Direction, site of origin and duration of jets: implications in the color Doppler assessment of valvar lesions

Abstract: Color Doppler imaging has renewed and widened the capabilities of the flow mapping technique. In addition to its facilitation, it has some specific advantages: by showing the spatio-temporal variations of jets within the cardiac cycle, it provides a quadri-dimensional insight into flow dynamics, which has improved the semi-quantitative assessment of the severity in mitral regurgitation by taking into account the duration of the regurgitant jet within systole. It is also crucial for the study of multiple jets o… Show more

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Cited by 2 publications
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“…Tricuspid stenosis is demonstrated by the elevated peak gradient in diastole, which is measured at 23 mmHg (see Figure 3) and indicates significant stenosis (1). Another clue to the tricuspid stenosis is the presence of flow convergence (radiating semi circles on the atrial side of the valve on color Doppler) which are indicative of flow acceleration as the atrial outflow approaches the narrowed tricuspid valve (2). The stenosis of the tricuspid valve cause the flow to accelerate, the velocity to change, and thus the Doppler signal changes color.…”
mentioning
confidence: 99%
“…Tricuspid stenosis is demonstrated by the elevated peak gradient in diastole, which is measured at 23 mmHg (see Figure 3) and indicates significant stenosis (1). Another clue to the tricuspid stenosis is the presence of flow convergence (radiating semi circles on the atrial side of the valve on color Doppler) which are indicative of flow acceleration as the atrial outflow approaches the narrowed tricuspid valve (2). The stenosis of the tricuspid valve cause the flow to accelerate, the velocity to change, and thus the Doppler signal changes color.…”
mentioning
confidence: 99%