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Related Concept Videos

Pulse rhythm01:30

Pulse rhythm

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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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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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Related Experiment Video

Updated: Nov 18, 2025

Hollow Microneedle-based Sensor for Multiplexed Transdermal Electrochemical Sensing
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Developing a multimodal biosensor for remote physiological monitoring.

Michael Smith1, R Withnall2, S Anastasova3

  • 1Academic Department of Military General Practice, RCI, Birmingham, UK mikesmith@doctors.org.uk.

BMJ Military Health
|February 5, 2021
PubMed
Summary
This summary is machine-generated.

This study developed and trialed a wearable biosensor for an all-female Antarctic ski expedition, successfully transmitting real-time physiological data. Lessons learned will improve future wearable technology for extreme environments.

Keywords:
biotechnology & bioinformaticsphysiologyprimary caretelemedicine

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Area of Science:

  • Biomedical Engineering
  • Environmental Physiology
  • Wearable Technology

Background:

  • Military expeditions utilize physiological sensors in challenging environments.
  • This study details a multimodal wearable biosensor developed for an all-female Antarctic ski expedition.
  • The project achieved remote, real-time physiological data transmission to the UK.

Purpose of the Study:

  • To describe the development and trial of a novel multimodal wearable biosensor.
  • To assess the feasibility of transmitting real-time physiological data from an extreme environment.
  • To gather ergonomic and technical insights for future wearable device development.

Main Methods:

  • Biosensors continuously worn against the skin captured heart rate (HR), ECG, body temperature, bioimpedance, and sweat biomarkers (pH, sodium, lactate, glucose).
  • Data transmitted via near-field technology to an Android smartphone.
  • A custom app managed secure data transmission to a UK research center via satellite transceiver.

Main Results:

  • Real-time physiological data successfully transmitted to a UK control center on six occasions.
  • Post-expedition participant feedback facilitated ergonomic and technical refinements for next-generation devices.
  • Demonstrated successful remote monitoring of physiological responses in an extreme environment.

Conclusions:

  • Clinical confidence in data quality and interpretation within context (individual, environment, activity) is crucial for wearable technology success.
  • Wearable physiological monitoring holds potential for improving point-of-care diagnostics.
  • Future applications include informing critical medical and command decisions in real-time.