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Related Concept Videos

Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.  
Step 3: Assess the patient's forehead...
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
Assessing Body Temperature - Axilla01:14

Assessing Body Temperature - Axilla

Procedural Guide for Assessing Axillary Body Temperature using a Digital Thermometer:
Step 1: Perform hand hygiene and put on clean gloves to maintain infection control and prevent cross-contamination.
Step 2: Prepare the patient by explaining the procedure to ensure understanding and cooperation. Ensure privacy, expose the axilla, and inform the patient that minimal movement is crucial for an accurate reading.
Step 3: Adjust the patient’s clothing to expose only the axilla. It minimizes...
Body Temperature01:25

Body Temperature

The body's temperature, measured in degrees, is determined by the balance between heat production and dissipation to the surrounding environment. For instance, if exercising vigorously, the body will produce more heat, causing sweat and dissipating that heat. Despite extreme environmental conditions and physical exertion, the human temperature-control system maintains a constant core body temperature (the temperature of deep tissues, which are the tissues located beneath the skin and other...
Body Temperature01:07

Body Temperature

Body temperature reflects the equilibrium between heat production and heat loss within the body. Most heat is generated by metabolically active tissues, particularly the liver, heart, brain, kidneys, and endocrine organs. At rest, skeletal muscles contribute 20–30% of total heat production, but during vigorous exercise, this can increase up to 30–40 times.
The average body temperature is approximately 37°C (98.6°F) and typically ranges from 36.1–37.2°C (97–99°F), remaining relatively stable...
Assessing Body Temperature - Oral01:14

Assessing Body Temperature - Oral

Here are the steps to accurately measure oral temperature using an electronic thermometer:
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...

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Related Experiment Video

Updated: Jun 20, 2026

An Application for Pairing with Wearable Devices to Monitor Personal Health Status
06:58

An Application for Pairing with Wearable Devices to Monitor Personal Health Status

Published on: February 3, 2022

Wearable-Derived Diurnal Alignment Between Physical Activity and Device Temperature Predicts Future Disease and

Han Chen1, Jiahe Wei1, Jonathan Cedernaes2,3

  • 1Department of Psychiatry, Sir Run Run Shaw Hospital, Zhejiang Key Laboratory of Clinical and Basic Research for Psychiatric Diseases, and School of Public Health, Zhejiang University School of Medicine, Hangzhou, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|June 19, 2026
PubMed
Summary
This summary is machine-generated.

Wearable sensors can track daily rhythms in activity and temperature. Stronger alignment between these rhythms predicts lower risks of major diseases, including diabetes, heart disease, and depression.

Keywords:
circadian disruptiondiurnal alignmentphenome‐wide association studyprospective cohortwearable accelerometry

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Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies
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Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies

Published on: February 3, 2023

Area of Science:

  • Chronobiology
  • Wearable Technology
  • Public Health

Background:

  • Circadian rhythms are crucial for coordinating bodily functions with the daily light-dark cycle.
  • Disruptions to circadian rhythms are linked to various diseases, including metabolic, cardiovascular, and neuropsychiatric disorders.
  • The predictive value of wearable-derived rhythm coherence for long-term health in free-living individuals is not well understood.

Purpose of the Study:

  • To investigate whether the temporal alignment between wearable-derived activity and temperature rhythms predicts long-term health outcomes.
  • To analyze specific alignment features derived from concurrent wrist-worn sensor data.

Main Methods:

  • Analysis of week-long concurrent wrist-worn acceleration and device temperature recordings from approximately 90,000 UK Biobank participants.
  • Decomposition of circular cross-correlation into three alignment features: 24 h coupling strength (M24), phase deviation (D24), and 12 h harmonic magnitude (M12).
  • Prospective follow-up over 7-11 years to assess associations with disease incidence and mortality.

Main Results:

  • Higher 24 h coupling strength (M24) was associated with reduced risk of type 2 diabetes, cardiovascular disease, depression, sleep apnea, and all-cause mortality.
  • Increased phase deviation (D24) correlated with higher cardiometabolic risk.
  • Higher 12 h harmonic magnitude (M12) was linked to a lower risk of gastrointestinal and psychiatric conditions.
  • Technical replication in the SHARE cohort confirmed the framework's portability.

Conclusions:

  • Wearable-derived cross-domain diurnal alignment is a scalable and prospective predictor of disease risk.
  • These findings have potential implications for population health surveillance and personalized medicine.
  • Monitoring circadian rhythm coherence using wearables may offer new avenues for early disease risk assessment.