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DC Field | Value | Language |
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dc.contributor.author | Swalen, MJP | - |
dc.contributor.author | Khir, AW | - |
dc.date.accessioned | 2010-04-23T14:40:36Z | - |
dc.date.available | 2010-04-23T14:40:36Z | - |
dc.date.issued | 2005 | - |
dc.identifier.citation | Computers in Cardiology 32: 311−314 | en |
dc.identifier.issn | 0276-6574 | - |
dc.identifier.uri | http://bura.brunel.ac.uk/handle/2438/4265 | - |
dc.description.abstract | The PU-loop (pressure-velocity loop) is a method for determining wave speed and relies on the linear relationship between the pressure and velocity in the absence of reflected waves. This linearity of the PU-loop during early systole, which is directly related to wave speed, has always been established by eye. This paper presents a new technique that establishes this linearity and thus determining wave speed online. Pressure and flow were measured in the ascending aorta of 11 anesthetised dogs. The slope of the PU-loop, indicating wave speed was determined by eye and by using the new technique. The difference between the slopes of the two methods is in the order of 3%. The new technique is convenient and allows for the online assessment of wave speed, which could be used as a bedside tool for the assessment of arterial compliance. | en |
dc.language.iso | en | en |
dc.publisher | IEEE | en |
dc.title | Automating the determination of wave speed using the pu-loop method | en |
dc.type | Research Paper | en |
dc.identifier.doi | http://dx.doi.org/10.1109/CIC.2005.1588099 | - |
Appears in Collections: | Mechanical and Aerospace Engineering Dept of Mechanical and Aerospace Engineering Research Papers |
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