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Related Concept Videos

Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

924
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...
924
Assessing Body Temperature - Oral01:14

Assessing Body Temperature - Oral

1.2K
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...
1.2K
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

1.6K
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,...
1.6K
Assessing Body Temperature - Axilla01:14

Assessing Body Temperature - Axilla

1.0K
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...
1.0K
Assessing Body Temperature - Tympanic membrane01:14

Assessing Body Temperature - Tympanic membrane

1.0K
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...
1.0K
Temperature Measurement Sites01:14

Temperature Measurement Sites

2.9K
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...
2.9K

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Contactless Vital Signs Measurement System Using RGB-Thermal Image Sensors and Its Clinical Screening Test on

Toshiaki Negishi1, Shigeto Abe2, Takemi Matsui3

  • 1Graduate School of Informatics and Engineering, The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan.

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Summary

This study developed a contactless system measuring body temperature, heart rate, and respiration rate. The multiple vital sign approach significantly improves infectious disease screening sensitivity compared to fever-only methods.

Keywords:
RGB-thermal image processingcontactless measurementinfection diseasesvital signs

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Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Signal Processing

Background:

  • Infrared thermography (IRT) is used for infectious disease screening but has low sensitivity due to reliance on fever detection alone.
  • Existing fever-based screening methods are insufficient for accurately identifying infected individuals.
  • A novel system integrating multiple vital signs is needed to enhance screening accuracy.

Purpose of the Study:

  • To develop and evaluate a non-contact system for measuring body temperature, heart rate, and respiration rate using RGB-thermal image sensors.
  • To improve the sensitivity of infectious disease screening in quarantine settings.
  • To overcome the limitations of traditional fever-based screening.

Main Methods:

  • Utilized RGB cameras for blood volume pulse (BVP) detection and IRT for respiration rate estimation.
  • Implemented RGB-thermal image fusion for robust facial tracking.
  • Employed advanced signal processing, including tapered windows and MUSIC algorithm, for accurate heart rate and respiration rate calculation.
  • Used Support Vector Machine (SVM) for classification based on three vital signs.

Main Results:

  • Non-contact vital sign measurements showed high correlation with contact-type reference devices (Pearson's r = 0.71 for temperature, 0.87 for heart rate, 0.87 for respiration rate).
  • The optimized SVM model achieved 85.7% sensitivity and 90.1% specificity.
  • The multiple vital sign approach demonstrated superior sensitivity compared to fever-based screening.

Conclusions:

  • The developed contactless system provides vital sign measurements comparable to traditional devices.
  • Multi-vital sign screening significantly enhances detection accuracy for infectious diseases.
  • This system offers a promising alternative for improving quarantine procedures and preventing disease spread.