Title |
Algorithmic processing of pressure waveforms to facilitate estimation of cardiac elastance
|
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Published in |
BioMedical Engineering OnLine, June 2012
|
DOI | 10.1186/1475-925x-11-28 |
Pubmed ID | |
Authors |
David Stevenson, James Revie, J Geoffrey Chase, Christopher E Hann, Geoffrey M Shaw, Bernard Lambermont, Alexandre Ghuysen, Philippe Kolh, Thomas Desaive |
Abstract |
Cardiac elastances are highly invasive to measure directly, but are clinically useful due to the amount of information embedded in them. Information about the cardiac elastance, which can be used to estimate it, can be found in the downstream pressure waveforms of the aortic pressure (P(ao)) and the pulmonary artery (P(pa)). However these pressure waveforms are typically noisy and biased, and require processing in order to locate the specific information required for cardiac elastance estimations. This paper presents the method to algorithmically process the pressure waveforms. |
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