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Related Concept Videos

Assessing Body Temperature - Tympanic membrane01:14

Assessing Body Temperature - Tympanic membrane

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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...
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Assessing Body Temperature - Oral01:14

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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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Calorimetry01:19

Calorimetry

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When objects at different temperatures are placed in contact with each other but isolated from everything else, they attain thermal equilibrium. A container that prevents heat transfer in or out is called a calorimeter, and the use of a calorimeter to make measurements is called calorimetry. Generally, these measurements involve heat or specific heat capacity. The term "calorimetry problem" is used for any problem where the specified objects are thermally isolated from their...
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Assessing Body Temperature - Rectal01:27

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Rectal temperature measurement is considered the most precise method for assessing core body temperature and typically registers higher than oral temperature. For adults, the rectal thermometer should be inserted 1 to 1.5 inches into the rectum to obtain the most accurate reading.
Follow these steps for rectal temperature assessment:
Step 1: Perform hand hygiene and don clean gloves to prevent cross-infection.
Step 2: Position the patient in a side-lying position to better visualize the rectal...
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Assessing Body Temperature - Temporal Artery01:19

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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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Assessing Body Temperature - Axilla01:14

Assessing Body Temperature - Axilla

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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...
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Related Experiment Video

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Multi-Modal Signals for Analyzing Pain Responses to Thermal and Electrical Stimuli
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Towards an optimized monothermal caloric screening test: comparing stimuli and thresholds.

Halil Erdem Özel1, Ahmet Taha Karakuzu1, Hümeyra Temir2

  • 1Department of Otolaryngology, University of Health Sciences, Kocaeli City Hospital, Kocaeli, Turkey.

International Journal of Audiology
|October 6, 2025
PubMed
Summary

Warm air monothermal caloric testing (MCT) is an effective screening tool for vestibular weakness. It offers high accuracy and can reduce the need for more extensive bithermal caloric testing (BCT).

Keywords:
Caloric testbithermalmonothermalscreeningvestibular testvideonystagmography

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Area of Science:

  • Vestibular System Physiology
  • Otolaryngology
  • Neurology

Background:

  • Monothermal caloric testing (MCT) is a potential screening method for vestibular disorders.
  • Optimal stimulus type and diagnostic thresholds for MCT require further clarification.

Purpose of the Study:

  • To determine the most effective stimulus (air vs. water, warm vs. cool) for MCT.
  • To identify the optimal cut-off threshold (15% or 25%) for maximizing MCT's diagnostic performance.

Main Methods:

  • Retrospective analysis of bithermal caloric test (BCT) data from 202 adults.
  • MCT results were evaluated at 15% and 25% thresholds, comparing sensitivity, specificity, and accuracy against BCT as the reference standard.

Main Results:

  • Warm air MCT showed the highest sensitivity (86.7%) and diagnostic accuracy (94%) at the 25% threshold, with a low false negative rate (6%).
  • Cool water MCT offered the highest specificity (78.7%) at the 25% threshold.
  • A 15% threshold slightly increased accuracy but also increased referrals for BCT.

Conclusions:

  • Warm air MCT is an efficient screening tool for unilateral vestibular weakness.
  • This method provides high diagnostic accuracy and can potentially decrease the necessity for comprehensive BCT.