Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Temperature Measurement Sites01:14

Temperature Measurement Sites

3.9K
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...
3.9K
Assessing Body Temperature - Tympanic membrane01:14

Assessing Body Temperature - Tympanic membrane

1.3K
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...
1.3K
Assessing Body Temperature - Oral01:14

Assessing Body Temperature - Oral

1.9K
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...
1.9K
Assessing Body Temperature - Rectal01:27

Assessing Body Temperature - Rectal

14.4K
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...
14.4K
Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

1.5K
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...
1.5K
Assessing Body Temperature - Axilla01:14

Assessing Body Temperature - Axilla

1.6K
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...
1.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Ultrafast carrier dynamics in high-density photo-doped MoS<sub>2</sub>: monolayer vs multilayer.

Journal of physics. Condensed matter : an Institute of Physics journal·2026
Same author

Design and Recruitment for the Comparative Effectiveness of Zolpidem/Trazodone and Cognitive Behavioral Therapy for Insomnia (COZI) Study in Rural Adults.

Behavioral sleep medicine·2026
Same author

Commentary: Another day, another model… where does red cell distribution width fit in perioperative risk prediction?

The Journal of thoracic and cardiovascular surgery·2025
Same author

Recent progress, challenges, and future prospects in constructed wetlands employing biochar as a substrate: a comprehensive review.

Environmental science and pollution research international·2024
Same author

Early Therapeutic Plasma Exchange in Pediatric Transverse Myelitis: A Case Report and Scoping Review.

Neurology international·2024
Same author

Therapy resistance in prostate cancer: mechanism, signaling and reversal strategies.

Exploration of targeted anti-tumor therapy·2024

Related Experiment Video

Updated: Mar 24, 2026

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring
06:46

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring

Published on: December 14, 2020

3.5K

Optimal Depth for Nasopharyngeal Temperature Probe Positioning.

Mi Wang1, Asha Singh, Hashim Qureshi

  • 1From the *Anesthesiology Institute, Cleveland Clinic, Cleveland, Ohio; and †Departments of Quantitative Health Sciences and Outcomes Research, Cleveland Clinic, Cleveland, Ohio.

Anesthesia and Analgesia
|March 15, 2016
PubMed
Summary
This summary is machine-generated.

Nasopharyngeal temperature probes between 10 and 20 cm past the nares accurately reflect core body temperature in adults during noncardiac surgery. This insertion range minimizes cooling effects from ambient air or ventilation gases.

More Related Videos

Standardized Measurement of Nasal Membrane Transepithelial Potential Difference NPD
09:47

Standardized Measurement of Nasal Membrane Transepithelial Potential Difference NPD

Published on: September 13, 2018

17.4K
Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
06:43

Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management

Published on: November 21, 2017

25.2K

Related Experiment Videos

Last Updated: Mar 24, 2026

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring
06:46

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring

Published on: December 14, 2020

3.5K
Standardized Measurement of Nasal Membrane Transepithelial Potential Difference NPD
09:47

Standardized Measurement of Nasal Membrane Transepithelial Potential Difference NPD

Published on: September 13, 2018

17.4K
Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
06:43

Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management

Published on: November 21, 2017

25.2K

Area of Science:

  • Anesthesiology
  • Critical Care Medicine
  • Physiology

Background:

  • The nasopharynx is a reliable site for core temperature measurement.
  • Optimal nasopharyngeal probe insertion depth lacks consensus, potentially affecting accuracy due to ambient air or ventilation gas cooling.
  • This study aimed to identify the best nasopharyngeal probe insertion depths for approximating distal esophageal core temperature.

Purpose of the Study:

  • To determine the optimal nasopharyngeal probe insertion depth for accurate core temperature measurement.
  • To compare nasopharyngeal temperatures with reference distal esophageal temperatures across various insertion depths.
  • To establish a clinically acceptable range for nasopharyngeal probe insertion in adults undergoing noncardiac surgery.

Main Methods:

  • 36 adult patients undergoing noncardiac surgery with endotracheal intubation were studied.
  • Nasopharyngeal thermometer insertion depth was varied from 20 cm, withdrawn 2 cm at 5-minute intervals.
  • Temperatures were compared to a reference esophageal probe (40 cm from incisors) using Bland-Altman analysis.

Main Results:

  • Nasopharyngeal probe insertion depths from 10 to 20 cm past the nares yielded temperatures comparable to distal esophageal readings.
  • Bias between nasopharyngeal and esophageal temperatures was approximately -0.1°C.
  • The standard deviation was approximately ±0.15°C, with limits of agreement within the clinically acceptable range of -0.5°C to 0.5°C.

Conclusions:

  • Nasopharyngeal probe insertion depths between 10 and 20 cm accurately represent core temperature in adults undergoing noncardiac surgery.
  • This validated range ensures reliable temperature monitoring, avoiding inaccuracies from improper probe placement.
  • The findings provide practical guidance for optimizing nasopharyngeal temperature measurement in clinical settings.