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Beyond Bernoulli: improving accuracy and precision of non-invasive peak pressure drops

Abstract:

Background—Transvalvular peak pressure drops are routinely assessed non-invasively by echocardiography using the Bernoulli principle. However, the Bernoulli principle relies on a number of approximations, that may not be appropriate, including that the majority of the pressure drop is due to the spatial acceleration of the blood flow, and the ejection jet is a single streamline (single peak velocity value).

Methods and Results—We assessed the accuracy of Bernoulli principl...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1161/CIRCIMAGING.116.005207

Authors


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Institution:
University of Oxford
Division:
MSD
Department:
RDM
Sub department:
RDM Cardiovascular Medicine
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MSD
Department:
RDM
Sub department:
RDM Cardiovascular Medicine
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MSD
Department:
RDM
Sub department:
RDM Cardiovascular Medicine
Role:
Author
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British Heart Foundation More from this funder
National Institutes for Health Research More from this funder
Publisher:
American Heart Association Publisher's website
Journal:
Circulation: Cardiovascular Imaging Journal website
Volume:
10
Issue:
1
Pages:
e005207
Publication date:
2017-01-16
Acceptance date:
2016-11-22
DOI:
EISSN:
1942-0080
ISSN:
1941-9651
Source identifiers:
661157
Keywords:
Pubs id:
pubs:661157
UUID:
uuid:45d65791-8339-41bf-8730-e649ef2fe623
Local pid:
pubs:661157
Deposit date:
2016-12-21

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