International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2575

Full Length Research Paper

Development of a real time blood pressure, temperature measurement and reporting system for inpatients

J. O. Egwaile*
  • J. O. Egwaile*
  • Department of Electrical/Electronic Engineering, University of Benin, Benin City, Nigeria.
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O. I. Omoifo
  • O. I. Omoifo
  • Department of Computer Engineering, University of Benin, Benin City, Nigeria.
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O. O. Odia
  • O. O. Odia
  • Department of Computer Engineering, University of Benin, Benin City, Nigeria.
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O. Okosun
  • O. Okosun
  • Department of Computer Engineering, University of Benin, Benin City, Nigeria.
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  •  Received: 08 June 2016
  •  Accepted: 22 August 2016
  •  Published: 16 September 2016

Abstract

In this work, a real time blood pressure, temperature measurement and reporting system for inpatients was developed. The function of this system is to constantly measure the blood pressure and temperature of a patient and send the measured values to the medical doctor or other relevant care givers through wireless link. The system is built around the STM32F103C8 Microcontroller programmed in C language which performs the overall control action and interfaces with other peripherals like MPX5050GP and the DS18B20 which acts as primary sensors for blood pressure and temperature respectively. The health monitoring system was designed, constructed and tested. The results of blood pressure and body temperature measurements were compared with those of an OMRON blood pressure monitor and a clinical thermometer respectively. The deviations in measurements are on average ±4 mmHg and ±0.17°C for blood pressure and temperature respectively. This is considered satisfactory as the measurement error is found to be within tolerable limits.

Key words: Microcontroller, blood pressure sensor, temperature sensor, wireless link.

 

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