Impact of impinging wall jet on color Doppler quantification of mitral regurgitation. | Zendy

Chunguang Chen | Zendy; James D. Thomas | Zendy; J Anconina | Zendy; Pamela Harrigan | Zendy; L Mueller | Zendy; Michael H. Picard | Zendy; Robert A. Levine | Zendy; Arthur E. Weyman | Zendy

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Impact of impinging wall jet on color Doppler quantification of mitral regurgitation.

Author(s) -

Chunguang Chen,

James D. Thomas,

J Anconina,

Pamela Harrigan,

L Mueller,

Michael H. Picard,

Robert A. Levine,

Arthur E. Weyman

Publication year - 1991

Publication title -

circulation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.795

H-Index - 607

eISSN - 1524-4539

pISSN - 0009-7322

DOI - 10.1161/01.cir.84.2.712

Subject(s) - regurgitant fraction , medicine , mitral regurgitation , color doppler , mitral valve , cardiology , jet (fluid) , regurgitation (circulation) , doppler effect , doppler echocardiography , ejection fraction , physics , mechanics , radiology , ultrasonography , diastole , blood pressure , heart failure , astronomy

In clinical color Doppler examinations, mitral regurgitant jets are often observed to impinge on the left atrial wall immediately beyond the mitral valve. In accordance with fluid dynamics theory, we hypothesized that a jet impinging on a wall would lose momentum more rapidly, undergo spatial distortion, and thus have a different observed jet area from that of a free jet with an identical flow rate.

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