Abstract
In this paper, E-health is investigated due to its advantages such as reducing health care cost, saving time, and decreasing unnecessary going to a clinic or hospital. In this research oxygen saturation is chosen as a sample signal for E-health investigation, therefore an applicable method is introduced to calculate oxygen saturation and a package of pulse oximetry is designed to receive signal which is recorded and sampled by sound card of computer, by means of MATAB. The recorded data is sent to a doctor through internet, which can be demonstrated in spectra, prepared for further analysis and also a model for counting heart beats is proposed. The numerical results, which were gained in number of experiments by attending different volunteers, show its reliability. Proposed device of pulse oximetry is simple, portable, and just need a cable for connecting to a computer to send the data through internet for expert analysis.
Highlights
This is a long time that technology has been used for improving health condition and facilitating medical care.wireless systems create the ability of measuring vital parameters wherever
By examination of diverse photodiode models, the 34B is used in the receiver circuit due to the desirable characteristics. This model receives the light in the range from ultra violet (UV) to infrared
The finger is put between transmitter and receiver and the output is recorded by sound card of computer in MATLAB program by “wavrecord” command, data is analyzed in MATLAB in which peaks can be detected
Summary
This is a long time that technology has been used for improving health condition and facilitating medical care. L. et al, 1975; Bashshur, R., 1977) and all remote care services, using technologies such as internet to improve the health status of patients were called E-health (Marconi, J., 2002), which contains significant advantages such as quality enhancement of selfcare systems, manipulating of information technology and monitoring patient health condition at house and in work place. This kind of system decreases the hospital admission which can be time consuming. Oxygen saturation percentage is denoted by SaO2 and a normal patient, have a saturation level between 96 – 99%
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