Esophageal temperature probe
Citation, DOI, disclosures and article data
Citation:
Er A, Qureshi P, Knipe H, Esophageal temperature probe. Reference article, Radiopaedia.org (Accessed on 06 Dec 2024) https://doi.org/10.53347/rID-94366
Permalink:
rID:
94366
Article created:
Disclosures:
At the time the article was created Amanda Er had no recorded disclosures.
View Amanda Er's current disclosures
Last revised:
Disclosures:
At the time the article was last revised Amanda Er had the following disclosures:
- Radiopaedia Events Pty Ltd, Speaker fees (past)
These were assessed during peer review and were determined to not be relevant to the changes that were made.
View Amanda Er's current disclosures
Revisions:
4 times, by
3 contributors -
see full revision history and disclosures
Systems:
Synonyms:
- Temperature probe
- Esophageal temperature probe
Esophageal temperature probes are used to monitor core body temperatures in patients receiving anesthesia. The probe is advanced either through the nasal passage or oral cavity, before following a similar path to a nasogastric tube.
On this page:
Indications
Clinically significant changes in core body temperature that may be:
- anticipated 1
- suspected 1
- intended 1
Contraindications
- known esophageal strictures 2
- esophageal cancer 2
- esophageal perforation 2
- end-stage liver diseases and varices 2
Radiographic features
Plain radiograph
A correctly placed esophageal temperature probe should:
- descend the midline, following the esophageal path and avoiding the contours of the bronchi
- clearly bisect the carina or bronchi
- have its tip
- in the lower third of the esophageal tract 3
- at the mid-level of the heart
Malpositioning may include tip position:
- traversing either bronchus or more distally into the lung
- coiling in the upper airway
Given that the linear radiopaque marker on a temperature probe may at times be of similar thickness to a nasogastric tube, care must be taken to ensure the devices are not mistaken for each other.
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Complications
Insertion
- kinking
References
- 1. Standard 2.4.2 - ASA Standards for Basic Anesthetic Monitoring. Asahq.org, 2020. [Link].
- 2. AACN. AACN Procedure Manual for Critical Care - E-Book. (2013) ISBN: 9781455776900 - Google Books
- 3. Ron Walls, Robert Hockberger, Marianne Gausche-Hill. Rosen's Emergency Medicine - Concepts and Clinical Practice E-Book. (2017-03-09) ISBN: 9780323390163
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