Cardiology

Studies from Michigan State University in the area of cardiology published

Published in Hematology Week, July 6th, 2009

According to recent research published in the journal Annals of Biomedical Engineering, "We developed a technique to monitor left ventricular ejection fraction (EF) by model-based analysis of the aortic pressure waveform. First, the aortic pressure waveform is represented with a lumped parameter circulatory model."

"Then, the model is fitted to each beat of the waveform to estimate its lumped parameters to within a constant scale factor equal to the arterial compliance (C (a)). Finally, the proportional parameter estimates are utilized to compute beat-to-beat absolute EF by cancelation of the C (a) scale factor. In this way, in contrast to conventional imaging,...

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Source: Hematology Week (2009-07-06)

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