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Temperature Measurement Sites

Temperature Measurement Sites

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...

Assessing Body Temperature - Temporal Artery

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...

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Optimizing Measurement Parameters for Ocular Surface Temperature Assessment Using ResearchIR Software.

Mana Monfared¹, Paul J Murphy¹

¹University of Waterloo, School of Optometry and Vision Science, Waterloo, Canada.

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Summary

This summary is machine-generated.

Standardized ocular surface temperature (OST) measurement protocols using infrared thermography (IRT) were established. Rate of temperature change (RTC) is a more sensitive metric, with a 6-second interblink interval (IBI) and averaging improving repeatability for clinical diagnostics.

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Area of Science:

Ophthalmology
Medical Imaging
Biophysics

Background:

Ocular surface temperature (OST) assessment is crucial for diagnosing various eye conditions.
Current measurement protocols lack standardization, leading to inconsistencies in clinical practice.
Infrared thermography (IRT) offers a non-invasive method for OST evaluation.

Purpose of the Study:

To establish standardized ocular surface temperature (OST) measurement protocols using infrared thermography (IRT).
To enhance the consistency, reliability, and translational applicability of OST measurements.
To evaluate thermal metrics and their sensitivity to blink-induced changes.

Main Methods:

Prospective, observational clinical study involving seven healthy adults.
OST measurements acquired using a Teledyne FLIR A655sc infrared camera.
Evaluation of two thermal metrics: rate of temperature change (RTC) and magnitude of temperature change (ΔT) at eight ocular locations.
Analysis of interblink intervals (IBIs) ranging from 2 to 10 seconds.

Main Results:

OST decreased during each interblink interval (IBI).
Rate of temperature change (RTC) was more sensitive than ΔT in detecting blink-induced thermal changes.
Longer IBIs (6 seconds) and averaging improved measurement reliability (ICC increased from 0.879 to 0.911).
Scleral regions were significantly warmer than corneal sites.

Conclusions:

Rate of temperature change (RTC) is a more sensitive and reliable metric for OST assessment.
A 6-second interblink interval (IBI) and averaging enhance measurement repeatability.
Standardized IRT protocols support clinical diagnostics and tear film assessment.