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Related Concept Videos

Temperature Measurement Sites01:14

Temperature Measurement Sites

1.6K
A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
1.6K
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

983
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,...
983
Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

537
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...
537
Decreased Body Temperature01:29

Decreased Body Temperature

602
A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by...
602
Body Temperature01:25

Body Temperature

928
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...
928
Assessing Body Temperature - Tympanic membrane01:14

Assessing Body Temperature - Tympanic membrane

573
Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide:
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...
573

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Unobtrusive Skin Temperature Estimation on a Smart Bed.

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  • 1Sleep Number Labs, San Jose, CA 95113, USA.

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|August 10, 2024
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Summary

Researchers developed an algorithm to estimate distal skin temperature using a smart bed sensor strip. This method allows for unobtrusive, minute-level tracking of skin temperature changes during sleep, aiding sleep quality research.

Keywords:
regression modelskin temperaturesleepsmart bedtemperature sensor stripunobtrusive

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Area of Science:

  • Physiology
  • Biomedical Engineering
  • Sleep Science

Background:

  • Core body temperature decrease is linked to sleep onset.
  • Increased cutaneous blood flow facilitates heat dissipation.
  • Accurate, unobtrusive skin temperature monitoring is needed for sleep studies.

Purpose of the Study:

  • To develop an algorithm for estimating distal skin temperature during sleep.
  • To achieve minute-level temporal resolution for skin temperature data.
  • To enable unobtrusive and longitudinal sleep monitoring.

Main Methods:

  • Utilized a temperature sensor strip (TSS) embedded in a smart bed.
  • Developed a two-stage regression model (gradient boosted tree and random forest).
  • Trained and validated the model using data from 18 participants over 16 nights, employing five-fold cross-validation.

Main Results:

  • The algorithm accurately estimates distal skin temperature with a minute-level resolution.
  • Mean limits of agreement were [-0.79 to +0.79 °C].
  • Mean coefficient of determination (R2) was 0.87.

Conclusions:

  • The developed algorithm enables unobtrusive, longitudinal, and ecologically valid collection of distal skin temperature during sleep.
  • This method has the potential to advance sleep quality research.
  • Further validation with larger sample sizes is recommended.