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Related Experiment Video

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A Detailed Protocol for Perspiration Monitoring Using a Novel, Small, Wireless Device
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Rapid Prototyping of a Smart Device-based Wireless Reflectance Photoplethysmograph.

M Ghamari1, C Aguilar1, C Soltanpur2

  • 1Department of Electrical and Computer Engineering, University of Texas at El Paso, El Paso, Texas, USA.

Proceedings of the ... Southern Biomedical Engineering Conference. Southern Biomedical Engineering Conference
|September 30, 2017
PubMed
Summary

This study introduces a wireless heart rate (HR) monitor using photoplethysmography (PPG) and smart devices. The system processes PPG signals to analyze Heart Rate Variability (HRV) for Autonomic Nervous System (ANS) assessment.

Keywords:
Heart Rate VariabilityWireless Reflectance Photoplethysmographic Sensor

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Area of Science:

  • Biomedical Engineering
  • Physiological Monitoring
  • Wearable Technology

Background:

  • Photoplethysmography (PPG) is a non-invasive optical technique utilizing infrared (IR) light to measure physiological parameters.
  • Heart Rate Variability (HRV) analysis provides quantitative markers for assessing the Autonomic Nervous System (ANS).
  • Wireless connectivity is crucial for modern biomedical instruments, enabling real-time data transmission and remote monitoring.

Purpose of the Study:

  • To design, fabricate, and test a wireless heart rate monitoring device.
  • To integrate photoplethysmography (PPG) technology with smart devices for enhanced data acquisition and analysis.
  • To enable real-time display and processing of PPG and HRV signals for ANS assessment.

Main Methods:

  • Development of a photoplethysmograph incorporating an optical sensor, signal conditioning unit, low-power microcontroller, and Bluetooth module.
  • Utilizing an Android application for real-time acquisition and digital display of PPG signals on a smart device.
  • Prototyping the wireless PPG device and conducting verification tests in a laboratory setting.

Main Results:

  • Successful design and fabrication of a functional wireless PPG monitoring device.
  • Demonstration of real-time PPG signal acquisition and display on a smart device via Bluetooth.
  • Validation of PPG and HRV signal accuracy through laboratory testing.

Conclusions:

  • The developed wireless PPG device effectively monitors heart rate and enables HRV analysis for ANS assessment.
  • Integration with smart devices offers a user-friendly platform for real-time physiological data monitoring.
  • The prototype demonstrates the feasibility of wireless PPG technology for accessible cardiac health monitoring.