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Design and Implementation of Digital Asthma Diagnosis System

Author

Listed:
  • Qinghua Yao

    (Changchun University of Technology, Changchun, China)

  • Xiantao Yang

    (Changchun University of Technology, Changchun, China)

Abstract

In this article, the MSP430F149 is the microcontroller (MCU), and a pressure sensor, MPX5100AP, is used to measure body measurement of maximal forced expiratory volume (FEV) and peak expiratory flow rate (PEFR). The two analog signals are processed by the signal conditioning circuit, and then the corresponding digital signals are acquired by the MCU. With the related operations of multiple respiratory parameters, a built-up time of respiration signal mutation rate values and the determination of the mutation rate, a mathematical model is built among FEV, PEFR and the rate of variation. The mathematical model of the system is analyzed, and the relationship between the detection results and the degree of airway obstruction is established. Finally, the patient's condition analysis results are given directly on the LCD, which provided the objective indicators for the medical treatment of the disease.

Suggested Citation

  • Qinghua Yao & Xiantao Yang, 2019. "Design and Implementation of Digital Asthma Diagnosis System," International Journal of Healthcare Information Systems and Informatics (IJHISI), IGI Global, vol. 14(3), pages 1-15, July.
    • Handle: RePEc:igg:jhisi0:v:14:y:2019:i:3:p:1-15
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