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Simulation of Physiological Signals using Wavelets

Bhojwani, Soniya Naresh
http://rave.ohiolink.edu/etdc/view?acc_num=akron1193079604

Abstract Details

2007, Master of Science in Engineering, University of Akron, Biomedical Engineering.
Increased attention to patient safety, demands for innovation in medical education, and accelerating advances in diagnostic and therapeutic procedures have all promoted a growing interest in the use of simulators for medical training and assessment.The current study proposed and developed a method for approximating and reproducing physiological signals in a programmable simulator using wavelet filtering. This method employed the technique of designing a template from an already existing source data,which then forms the basis of this realistic artificial biomedical signal generator/simulator. The simulated physiological signals included an electrocardiogram,blood pressure, respiratory signal, time derivative of thoracic impedance (dZ/dt), and photopletheysmogram. Templates were also designed for conditions exhibiting premature ventricular contraction, ventricular flutter and left bundle branch block in an electrocardiogram. The software was designed in MATLAB®, and DATAQ® Instruments DI-720 data acquisition system was used to display the simulated output. Evaluation of this simulator model was done both in quantitative and qualitative terms. The results proved that using wavelets for reconstruction of physiological signals minimized distortion and retained the significant features in each signal that was simulated.
Bruce Taylor (Advisor)
73 p.
Engineering, Biomedical
simulation; physiological signals; wavelets; multi-resolution analysis (MRA); electrocardiogram (ECG); blood pressure; respiratory signal; photoplethysmogram (PPG); derivative of cardiac impedance (dZ/dt)

Recommended Citations

Citations

  • Bhojwani, S. N. (2007). Simulation of Physiological Signals using Wavelets [Master's thesis, University of Akron]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=akron1193079604

    APA Style (7th edition)

  • Bhojwani, Soniya. Simulation of Physiological Signals using Wavelets. 2007. University of Akron, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=akron1193079604.

    MLA Style (8th edition)

  • Bhojwani, Soniya. "Simulation of Physiological Signals using Wavelets." Master's thesis, University of Akron, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=akron1193079604

    Chicago Manual of Style (17th edition)

akron1193079604
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© 2007, all rights reserved.
This open access ETD is published by University of Akron and OhioLINK.