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  1. Medical and Biological Engineering and Computing
  2. Medical and Biological Engineering and Computing : Volume 50
  3. Medical and Biological Engineering and Computing : Volume 50, Issue 4, April 2012
  4. Arterial reservoir-excess pressure and ventricular work
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Medical and Biological Engineering and Computing : Volume 55
Medical and Biological Engineering and Computing : Volume 54
Medical and Biological Engineering and Computing : Volume 53
Medical and Biological Engineering and Computing : Volume 52
Medical and Biological Engineering and Computing : Volume 51
Medical and Biological Engineering and Computing : Volume 50
Medical and Biological Engineering and Computing : Volume 50, Issue 12, December 2012
Medical and Biological Engineering and Computing : Volume 50, Issue 11, November 2012
Medical and Biological Engineering and Computing : Volume 50, Issue 10, October 2012
Medical and Biological Engineering and Computing : Volume 50, Issue 9, September 2012
Medical and Biological Engineering and Computing : Volume 50, Issue 8, August 2012
Medical and Biological Engineering and Computing : Volume 50, Issue 7, July 2012
Medical and Biological Engineering and Computing : Volume 50, Issue 6, June 2012
Medical and Biological Engineering and Computing : Volume 50, Issue 5, May 2012
Medical and Biological Engineering and Computing : Volume 50, Issue 4, April 2012
Classification of multichannel EEG patterns using parallel hidden Markov models
Automatic identification of activity–rest periods based on actigraphy
Statistical characteristics of finger-tapping data in Huntington’s disease
Stability and distribution of steady-state somatosensory evoked potentials elicited by vibro-tactile stimulation
Efficient automatic classifiers for the detection of A phases of the cyclic alternating pattern in sleep
All night analysis of time interval between snores in subjects with sleep apnea hypopnea syndrome
Inertial sensors in estimating walking speed and inclination: an evaluation of sensor error models
Medical equipment classification: method and decision-making support based on paraconsistent annotated logic
Safety of multi-channel stimulation implants: a single blocking capacitor per channel is not sufficient after single-fault failure
The effects of femoral neck cut, cable tension, and muscles forces on the greater trochanter fixation
Arterial reservoir-excess pressure and ventricular work
Medical and Biological Engineering and Computing : Volume 50, Issue 3, March 2012
Medical and Biological Engineering and Computing : Volume 50, Issue 2, February 2012
Medical and Biological Engineering and Computing : Volume 50, Issue 1, January 2012
Medical and Biological Engineering and Computing : Volume 49
Medical and Biological Engineering and Computing : Volume 48
Medical and Biological Engineering and Computing : Volume 47
Medical and Biological Engineering and Computing : Volume 46
Medical and Biological Engineering and Computing : Volume 45
Medical and Biological Engineering and Computing : Volume 44
Medical and Biological Engineering and Computing : Volume 43
Medical and Biological Engineering and Computing : Volume 42
Medical and Biological Engineering and Computing : Volume 41
Medical and Biological Engineering and Computing : Volume 40
Medical and Biological Engineering and Computing : Volume 39
Medical and Biological Engineering and Computing : Volume 38
Medical and Biological Engineering and Computing : Volume 37
Medical and Biological Engineering and Computing : Volume 36
Medical and Biological Engineering and Computing : Volume 35

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Arterial reservoir-excess pressure and ventricular work

Content Provider SpringerLink
Author Parker, Kim H. Alastruey, Jordi Stan, Guy Bart
Copyright Year 2012
Abstract This study is based on the hypothesis that the pressure within the arterial network can be usefully decomposed as the sum of a reservoir pressure and an excess pressure. The reservoir pressure waveform is defined to be the same in each vessel but delayed by the wave travel time from the root of the aorta. Using calculus of variations and mass conservation, which relates the flow and rates of change of pressure in the vessels, we show that the reservoir pressure waveform minimises the ventricular hydraulic work for any physiologically or clinically reasonable ejection waveform and arterial properties, i.e. vessel compliances and terminal resistances. We conclude that the excess pressure determines the excess work done by the ventricle, which may have clinically important implications.
Starting Page 419
Ending Page 424
Page Count 6
File Format PDF
ISSN 01400118
Journal Medical and Biological Engineering and Computing
Volume Number 50
Issue Number 4
e-ISSN 17410444
Language English
Publisher Springer-Verlag
Publisher Date 2012-02-26
Publisher Place Berlin, Heidelberg
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Blood flow in cardiovascular system Differential equations in mathematical aspects of biological physics Calculus of variations Time-delay ordinary differential equation Biomedical Engineering Computer Applications Imaging Radiology Human Physiology
Content Type Text
Resource Type Article
Subject Biomedical Engineering Computer Science Applications
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