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Related Concept Videos

Holter Monitor: 24-Hour Monitoring01:23

Holter Monitor: 24-Hour Monitoring

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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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 Electrochemical measurements are conducted in an electrochemical cell composed of various components that control and measure the current and potential. One fundamental component is electrodes, conductive materials that enable electron transfer reactions at their surfaces.
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An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
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Introduction
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Injectable Flexible Subcutaneous Electrode Array Technology for Electrocardiogram Monitoring Device.

Jihye Bong1, Omar Yasin2, Vaibhav R Vaidya2

  • 1Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States.

ACS Biomaterials Science & Engineering
|January 19, 2021
PubMed
Summary
This summary is machine-generated.

Researchers developed a new injectable electrocardiogram (ECG) device for cardiac monitoring. This miniaturized, flexible microelectrode system shows potential to reduce complications and simplify implantation procedures.

Keywords:
flexible electronicsinjectable devicemedical implantable monitorssubcutaneous biosensor

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Area of Science:

  • Biomedical Engineering
  • Cardiovascular Technology
  • Medical Device Innovation

Background:

  • Implantable cardiac monitors (ICMs) are increasingly small but still carry risks like infection and device migration.
  • Existing ICMs require invasive surgical procedures for implantation.

Purpose of the Study:

  • To demonstrate the feasibility of a novel, injectable, subcutaneous microelectrode-based device for electrocardiogram (ECG) recording.
  • To assess the safety and efficacy of this new cardiac monitoring technology.

Main Methods:

  • Fabrication of a small, flexible, injectable microelectrode array.
  • In vivo implantation and ECG recording in a swine model.
  • Analysis of the device's ability to detect cardiac wave components (P, R, T waves).

Main Results:

  • Successful demonstration of the injectable ECG device's ease of insertion in a swine model.
  • High-density microelectrode array effectively detected P, R, and T waves.
  • Excellent correlation observed between wave amplitude and bipolar electrode distance.

Conclusions:

  • The injectable ECG device is feasible and demonstrates potential for improved safety compared to traditional ICMs.
  • The simplified implantation procedure could enable cardiac monitoring in primary care settings.
  • This technology offers a promising alternative for safer and more accessible cardiac monitoring.