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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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Related Experiment Video

Updated: Jun 4, 2025

Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies
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Can Wearable Technology Help Guide Dieting Safety?

Maya Tang1, Joseph Powell2, Xiao Li2

  • 1Hathaway Brown School.

Research Square
|December 23, 2024
PubMed
Summary
This summary is machine-generated.

Wearable technology monitoring resting heart rate (RHR) can reveal physiologic stress during diets. A 6-meal diet showed more favorable RHR patterns and well-being scores compared to one-meal-a-day (OMAD).

Keywords:
dietingresting heart ratewearable technology

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Area of Science:

  • Nutrition science
  • Physiology
  • Wearable technology

Background:

  • Dietary interventions often lack safety monitoring.
  • Resting heart rate (RHR) elevations indicate physiologic stress.
  • Wearable devices offer objective safety data beyond self-reports.

Purpose of the Study:

  • To evaluate the utility of wearable technology in monitoring physiologic stress during a dietary intervention.
  • To compare the effects of different meal frequencies (OMAD vs. 6-meal) on RHR and well-being.

Main Methods:

  • A single subject followed an isocaloric diet for four weeks.
  • Intervention periods included unregulated feeding, one-meal-a-day (OMAD), and a 6-meal diet.
  • Resting heart rate (RHR) was continuously monitored using a wearable device; questionnaires assessed well-being twice daily.

Main Results:

  • Meal frequency did not impact weight.
  • The 6-meal diet resulted in more stable hunger scores and favorable energy, happiness, irritability, and sleep scores compared to OMAD.
  • Resting heart rate (RHR) was significantly lower during the 6-meal diet, particularly during evening and nighttime hours.

Conclusions:

  • Wearable technology effectively tracks physiologic stress indicators like RHR during dietary changes.
  • RHR patterns from wearables provide objective, complementary data to subjective well-being scores.
  • A 6-meal diet appears more favorable for physiologic stress management and overall well-being than OMAD.