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Authors: Susan Vasana and Harold Rivera

Affiliation: University of North Florida, United States

Abstract: In an effort to take advantage of advancements in digital signal processing and bio-medical technologies, this research has investigated the feasibility of creating a digital filter model for cardiovascular system. This is based on the understanding that ABP (Arterial Blood Pressure) waveforms are the cardiovascular system responses of the heart pumping impulses. The digital filter model is designed to be able to regenerate the periodic ABP signal as the system impulse response to the stimulus of ECG (electrocardio-gram) impulses. The digital filter model of cardiovascular system is designed and the system pole-zero pattern (PZ plot) are displayed in the paper. To identify how the model PZ plot can be used in assistance the diagnosis of cardiovascular condition, the number of filter coefficients, or the number of samples in a period of the simulated models, has been explored and the resolution impacts on PZ plot have been observed. The regenerated signal waveforms from the model with limited resolution are also compared with the original measured ABP signal waveforms for accuracy. Using the modern Digital Signal Processing (DSP) technology, we can implement the model and its PZ plot within mobile/portable blood pressure monitors with real-time display. (More)

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Paper citation in several formats:
Vasana, S. and Rivera, H. (2009). A Digital Filter Model of Cardiovascular System and its PZ Plots in Assistance of the Medical Signal Monitoring and Heart Condition Diagnosis. In Proceedings of the 1st International Workshop on Mobilizing Health Information to Support Healthcare-related Knowledge Work (BIOSTEC 2009) - Workshop MobiHealthInf; ISBN 978-989-8111-78-4, SciTePress, pages 97-104. DOI: 10.5220/0001818900970104

@conference{workshop mobihealthinf09,
author={Susan Vasana. and Harold Rivera.},
title={A Digital Filter Model of Cardiovascular System and its PZ Plots in Assistance of the Medical Signal Monitoring and Heart Condition Diagnosis},
booktitle={Proceedings of the 1st International Workshop on Mobilizing Health Information to Support Healthcare-related Knowledge Work (BIOSTEC 2009) - Workshop MobiHealthInf},
year={2009},
pages={97-104},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001818900970104},
isbn={978-989-8111-78-4},
}

TY - CONF

JO - Proceedings of the 1st International Workshop on Mobilizing Health Information to Support Healthcare-related Knowledge Work (BIOSTEC 2009) - Workshop MobiHealthInf
TI - A Digital Filter Model of Cardiovascular System and its PZ Plots in Assistance of the Medical Signal Monitoring and Heart Condition Diagnosis
SN - 978-989-8111-78-4
AU - Vasana, S.
AU - Rivera, H.
PY - 2009
SP - 97
EP - 104
DO - 10.5220/0001818900970104
PB - SciTePress

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