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Related Concept Videos

Pulse rhythm01:30

Pulse rhythm

940
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.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
940
Holter Monitor: 24-Hour Monitoring01:23

Holter Monitor: 24-Hour Monitoring

321
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...
321

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Updated: Sep 19, 2025

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Deploying and Examining Beacon for At-Home Patient Self-Monitoring with Critical Flicker Frequency.

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  • 1University of Washington, Seattle, WA, USA.

Proceedings of the SIGCHI Conference on Human Factors in Computing Systems. CHI Conference
|June 16, 2025
PubMed
Summary

Beacon, a new device for at-home cognitive function testing, provides stable measurements for chronic liver disease patients. Patient feedback highlights usability and caregiver roles in managing neurological complications.

Keywords:
Beaconcritical flicker frequencyhealthhepatic encephalopathy

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Area of Science:

  • Neurology
  • Hepatology
  • Biomedical Engineering

Background:

  • Chronic liver disease (CLD) can cause severe neurological complications, including coma and death.
  • Early detection of CLD-related neurological issues is crucial for intervention but current testing is infrequent and lacks standardization.
  • Cognitive dysfunction is a significant complication of CLD, impacting patient quality of life and prognosis.

Purpose of the Study:

  • To iterate on the Beacon device hardware and software for reliable at-home patient self-measurement of cognitive function.
  • To evaluate the feasibility and stability of at-home cognitive function measurements using Beacon in CLD patients.
  • To gather insights into patient and clinician experiences with the Beacon device for home health monitoring.

Main Methods:

  • Hardware and software iterations were performed on the Beacon device for enhanced usability.
  • A 6-week at-home deployment study involving 21 CLD patients using Beacon for cognitive function measurements.
  • Qualitative data collection through interviews with 15 patients and 5 hepatologists regarding device experience and data presentation.

Main Results:

  • Beacon device measurements demonstrated stability across different times and environments during the 6-week at-home deployment.
  • Patient and hepatologist interviews provided valuable feedback on user experience, data preferences, and caregiver involvement.
  • The study successfully enabled at-home cognitive function monitoring for CLD patients.

Conclusions:

  • The Beacon device is a viable tool for stable, at-home self-measurement of cognitive function in CLD patients.
  • User feedback informs the design of future home health devices, emphasizing usability and patient-centered data presentation.
  • At-home monitoring with Beacon can potentially improve the management of neurological complications associated with chronic liver disease.