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Related Concept Videos

Equipments Used to Measure Body Temperature01:13

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Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
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Holter monitoring is a continuous electrocardiography (ECG) recording that tracks the heart's electrical activity over an extended period, generally 24 to 48 hours. This noninvasive diagnostic tool detects irregular heart rhythms that may not be captured during a standard ECG performed in a clinical setting.DeviceThe Holter monitor is a portable, small device connected to several electrodes on the patient's chest. These electrodes detect the heart's electrical signals and transmit them to the...
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Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
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Procedural Guide for Assessing Axillary Body Temperature using a Digital Thermometer:
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Related Experiment Video

Updated: Nov 11, 2025

A Novel Digital Platform for a Monitored Home-based Cardiac Rehabilitation Program
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A Wearable Body Condition Sensor System with Wireless Feedback Alarm Functions.

Kaichen Xu1, Yusuke Fujita1, Yuyao Lu1

  • 1Department of Physics and Electronics, Osaka Prefecture University, Sakai, Osaka, 599-8531, Japan.

Advanced Materials (Deerfield Beach, Fla.)
|March 27, 2021
PubMed
Summary

This study introduces a flexible sensor system using laser-induced graphene (LIG) to monitor infant sleeping posture, respiration, and diaper wetness. The system provides real-time feedback and alarms for enhanced infant care and safety.

Keywords:
galinstan liquid metallaser-induced graphenetilt sensorswearable sensorswireless feedback systems

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Area of Science:

  • Materials Science
  • Biomedical Engineering
  • Wearable Technology

Background:

  • Vulnerable populations like infants require continuous monitoring due to health risks such as sudden infant death syndrome.
  • Existing monitoring systems may lack the versatility and integration needed for comprehensive, real-time tracking.
  • The development of advanced, flexible sensors is crucial for non-invasive physiological monitoring.

Purpose of the Study:

  • To develop and demonstrate a versatile, integrated flexible sensor system for monitoring vital signs and conditions in infants.
  • To utilize laser-induced graphene (LIG) technology for creating multi-modal sensing capabilities.
  • To provide timely feedback and alarm notifications for caregivers of vulnerable populations.

Main Methods:

  • Fabrication of a laser-induced graphene (LIG)-based flexible sensor system capable of in-plane and out-of-plane patterning.
  • Integration of LIG-based tilt, strain, and humidity sensors onto a flexible film.
  • Development of a liquid metal droplet-based tilt sensor for orientation tracking.
  • Application of the multimodal sensor device to a diaper for real-time monitoring.

Main Results:

  • The developed sensor system can wirelessly monitor sleeping postures, respiration rate, and diaper moisture.
  • The tilt sensor accurately tracks at least 18 different slanting orientations.
  • Laser direct writing enabled scalable fabrication of LIG patterns and non-stick conductive structures.
  • The integrated system demonstrated effective real-time feedback and alarming functions.

Conclusions:

  • The LIG-based integrated flexible sensor system offers a promising solution for continuous monitoring of infants and other vulnerable populations.
  • This technology enhances safety and comfort by providing timely alerts to caregivers.
  • The versatile and scalable nature of LIG fabrication supports the development of advanced wearable health monitoring devices.